Trivia: The quiet yet dynamic screen presence of actor Joe Mantegna has made him one of the most powerful supporting actors in Hollywood. Born in Chicago, Mantegna made his acting debut in the 1969 production of Hair. He then joined Chicago's Organic Theatre Company. In 1978, he debuted on Broadway in Working; he also helped write Bleacher Bums, an award-winning play. Still, he did not become well-known until he played a recurring role on the TV show Soap. By 1983 he'd returned to Chicago, where he began working with playwright David Mamet. While playing the lead in Mamet's play Glengarry Glen Ross (1983), Mantegna won a Tony. When Mamet began making films, Mantegna became his actor of choice in works such as House of Games (1987) and Homicide (1991). Prior to that, the actor had played small roles in a number of other films. He also continues to play in a variety of movie genres, working with some of Hollywood's top directors. Mantegna turned producer in 1998 with the crime comedy Jerry and Tom. That trend continued on the small screen as Montenga produced such shows as Midway USA's Gun Stories, Shooting Gallery, and QuickBites, but it was his role as a regular on the CBS series Joan of Arcadia that really kept him in the public eye. Continually returning to his recurring role as Fat Tony on The Simpsons over the next decade, Montegna joined the cast of the hit television series Criminal Minds in 2007, and recieved an Emmy nomination for his performance in the successful mini-series The Starter Wife that same year.

Trivia: Actress Paget Brewster got her first big break with a recurring role on Friends in 1997 playing Chandler's girlfriend Kathy. A regular stint on the most popular show on television was just the springboard that the actress needed to build up her resumé, and soon she was cast in the cult hit Andy Richter Controls the Universe and the Showtime series Huff. In 2006, she had a prominent role in the family comedy Unaccompanied Minors, and later that same year, she joined the cast of the series Criminal Minds. She has also, most notably, provided the voice of Birdgirl for the Adult Swim series Harvey Birdman, Attorney at Law.

Trivia: Las Vegas native Matthew Gray Gubler got his show-business start as a fashion model, working for designers like Tommy Hilfiger. After graduating from NYU's Tisch School of the Arts in 2002, Gubler appeared in his first feature film, playing one of the interns in The Life Aquatic with Steve Zissou in 2004. He soon followed that performance with a starring role in the series Criminal Minds, playing the young genius Dr. Spencer Reid. He also made a small appearance in the comedy RV before signing on to appear in The Great Buck Howard. He had a major supporting role in (500) Days of Summer, but has probably had his largest success voicing the part of Simon, the nerdy member of the rodent trio at the heart of three Alvin and the Chipmunks movies.

Trivia: Canadian-born A.J. Cook trained as a competitive dancer before beginning her acting career at age 17 in the children's TV series Goosebumps. She started out in small roles on made-for-TV dramas until her first big break as one of the blonde Lisbon sisters in The Virgin Suicides. She went on to a recurring role on Higher Ground, a Fox Family Channel series about teens in boot camp, where she played the love interest of fellow Canadian Hayden Christensen prior to his role of Anakin Skywalker in Star Wars: Episode II -- Attack of the Clones. After another TV movie and the snowboarding comedy Out Cold, Cook found her niche as a lead actress in horror movies with Ripper: Letter From Hell in 2001. She then headlined a number of other thrillers, including Wishmaster 3: Beyond the Gates of Hell, The House Next Door, and Final Destination 2. In 2005, she began her run in the series Criminal Minds, playing special agent Jennifer "JJ" Jareau. Cook took on a supporting role in the romantic comedy I'm Reed Fish in 2006, and starred in director Ron Satlof's comedy Misconceptions in 2008. The actress took another lead role in 2011 for Bringing Ashley Home, a docudrama following a woman (Cook) determined to find her sister when she suddenly goes missing. Cook returned to the horror genre in 2013, with Wer. A member of the Mormon church, Cook lives in Salt Lake City, UT, with her husband, Nathan Andersen.

Trivia: Like a lot of showbiz hopefuls, Kirsten Vangsness has had her share of day jobs. After paying the bills as a substitute teacher, child counselor, and dinner-theater actress, Vangsness found her big break when she was cast in a Pepsi commercial. Soon afterward, she scored the role of Penelope Garcia on the hit show Criminal Minds in 2004. She made her feature film debut in the thriller In My Sleep.

Trivia: Latino actor and heartthrob Adam Rodriguez found a convenient backdoor to Hollywood success. Proving definitively the old adage that "it's all in who you know," Rodriguez's dad, the longtime COO of the U.S. Hispanic Chamber of Commerce, happened to be watching the Emmys in 1996 and recognized an old army buddy accepting a production award. The gentleman in question had graduated from policeman to NYPD Blue consultant to one of the program's producers. The elder Rodriguez impulsively phoned his pal to congratulate him on the award; this led to a renewed friendship, and in time, a small guest spot for Adam on NYPD Blue. At that point, Rodriguez had only just decided on his true calling in life. A stint of seemingly random occupations (including stockbroker and bellhop) followed by a brief theatrical tenure at the Jersey Peppermill Playhouse convinced the young man that his passion lay in acting. The Emmy incident, as it were, happened almost immediately afterward.A recurring role on the brief series drama Brooklyn South ensued, followed by a guest spot on Law & Order, then a bit part in the Gary Fleder movie Impostor. Rodriguez attained his first substantial recognition, however, as Jesse Ramirez, an erudite attorney unknowingly saddled with an extraterrestrial girlfriend, on the sci-fi series Roswell. But his greatest exposure was still yet to come. Beginning in 2002, he played Eric Delko, drug and fingerprint expert at the Miami-Dade crime laboratory, on CSI: Miami, the first successful spin-off to the crime series phenomenon CSI: Crime Scene Investigation. Shortly thereafter, Rodriguez also signed for a part in Jessica Kavana Dornbusch's indie coming-of-age drama Thanks to Gravity (2005), about the trials and travails of a young woman of Jewish-Hispanic ancestry enrolled at Harvard. Numerous film roles followed, and on the heels of an appearance in Tyler Perry's I Can Do Bad All By Myself Rodriguez turned up in Ugly Betty as Hilda's on again-off again flame Bobby Talercio. In 2012 the chisled actor could be seen opposite Channing Tatum in Steven Soderbergh's Magic Mike.

Trivia: Born September 18th, 1970, actress, comedian, author, reality-show host, and occasional scriptwriter Aisha Tyler came of age in San Francisco and studied poly sci at Dartmouth College before mounting a (brief) career as an advertising executive in her hometown. Dissatisfied by this pursuit, and pining to launch herself as a full-time entertainer, Tyler "dropped out" of the corporate world and hit the road with a solo standup comedy act in the mid-'90s.Around 2001 -- after five years in Los Angeles with occasional standup bookings and concomitantly limited acclaim and recognition -- Tyler landed two huge breaks, first as the host of the irreverent Talk Soup during that program's final year (a position she inherited from Greg Kinnear, John Henson, and others), and then as the primary host of the dating series The 5th Wheel. Riding the crest of popularity generated by reality television during the first several years of the millennium, Wheel coupled the unscripted spontaneity of The Real World and Survivor with the format of the dating series Blind Date. Its premise involved setting two couples up on blind dates, having them "swap" partners, and adding an unforeseen fifth member (the "wheel" of the title) to stir things up and add provocation. The program placed a greater emphasis on erotic and suggestive content than Blind and -- perhaps as a result -- it unsurprisingly became a massive, runaway hit.The ever-ambitious Tyler, however, continued to expand her horizons. She maintained a short tenure with Wheel and quickly moved on to other endeavors, placing a particularly strong emphasis on television work. This included a stint as Charlie (the only recurring African-American cast member) in the final two seasons of the popular sitcom Friends, and a recurring role as covert terrorist Marianne Taylor on the weekly suspenser 24. Tyler also portrayed attorney Andrea Moreno (who dies in a car crash but is then "ushered" over to the other side by Jennifer Love Hewitt's psychic) in the first season (2005-2006) of the supernatural drama The Ghost Whisperer. After that, Tyler segued into feature-film work, with bit roles in such pictures as The Santa Clause 3 and .45.Six feet tall and one of the most physically breathtaking young actresses of her generation, Tyler frequently provides beauty tips in such magazines as Ebony and Glamour; she is also an outspoken proponent of physical fitness and a strenuous exerciser who pushes herself to an almost unimaginable degree. A February 2007 issue of In Style magazine reported, "In addition to scaling walls, Tyler runs, uses a rowing machine, lifts weights, snowboards and scuba dives. But for her, nothing beats the mental rush of rock climbing." In 2004, Tyler also authored and published the best-seller Swerve: Reckless Observations of a Postmodern Girl, a free-form, witty expostulation on such "hot" topics as men, bikini waxing, reality television, dating wars, sex, and body image.After filming several unremarkable movies throughout the mid-2000s, the actress found success on Archer, a television series that features Tyler as a dedicated but deadly agent for ISIS, a secret intelligence unit in New York City. While she continued work on Archer, she landed the job of co-host on The Talk, and later, host of the revamped Whose Line Is It Anyway? As if that weren't enough, Tyler also landed a recurring role on Criminal Minds in 2015.

Trivia: His mother was born in South Korea, but adopted by an American family when she was an infant. Began modeling internationally in 2001. Moved to South Korea to break into acting, despite not speaking the language. Did a series of commercials for Bean Pole, a South Korean fashion brand, with Gwyneth Paltrow in 2005. Became a huge star in South Korea after landing the series My Lovely Sam Soom. Signed with DNA Models in New York City.

Trivia: Michigan native Graham Sibley could have been a pro-water polo player instead of an actor. He took up the aquatic sport in college after a season of basketball, but when the young student enrolled in his first acting class, he was hooked. He switched his major from film to theater, earning a BFA before going on to appear in nearly 50 shorts and student films, and act in stage roles all over the L.A. area. He also appeared in some commercials, which paid a little better than his more artistic work. In 2004, Sibley had saved some money so he left California and headed for New York. There, Sibley scored a prominent role in the gory flick Zombie Honeymoon. After a year in the city that never sleeps, he headed back to L.A. -- but he had no intention of resting. He returned to the stage, joining a theater company called Ensemble Studio Theater, and appearing in TV series like Boston Public and The O.C.. In 2006, he signed on to appear in Nanking, Bill Guttentag's documentary about the 1937 massacre of the Chinese city.

Trivia: With a quiet exterior and a unique array of facial expressions that hint at something hilarious simmering beneath the surface, actress/comedian Mary Lynn Rajskub, born June 22nd, 1971, has come a long way since joining the cast of Mr. Show back in 1995. Born in Detroit, Michigan on June 22nd, 1971, Rajskub's entry into the comedy scene wasn't entirely intentional, the former performance artist decided to try her hand at humor when a non-comedic performance at the San Francisco Art Institute elicited unexpected laughs from the audience. Subsequently realizing the absurdity inherent in overly serious performance art, Rajskub soon adjusted her act to become a parody of performance art. The unique take on live comedy quickly caught on with audiences, and shortly thereafter, Rajskub was approached by Bob Odenkirk and David Cross and asked to join the cast of their upcoming HBO stream-of-consciousness comedy series Mr. Show. A somewhat bitter falling out with series co-creator Cross found Rajskub departing from the series after a year to take a job at Seattle's Best Coffee, but her career as a caffeine dealer would quickly come to an end when Garry Shandling caught wind of her act. Subsequently cast as the enthusiastic but somewhat awkward talent booker on The Larry Sanders Show, Rajskub also began to branch out into feature territory with supporting roles in such films as Bury Me in Kern County and the mockumentary The Thin Pink Line (both 1998). Blink-and-you'll-miss-her roles in such high-profile releases as Man on the Moon and Road Trip were quick to follow, with a small but memorable turn as a bubble-wrapped cult member in Dude, Where's My Car? preceding yet another fleeting appearance in the "Fiction" segment of director Todd Solondz's Storytelling. By this point, Rajskub had expanded her presence on television with a recurring role in Veronica's Closet, and after appearing with Girls Guitar Club bandmate Karen Kilgariff in the independent drama The Anniversary Party, she made a move back to the small screen with the ill-fated sketch comedy series The Downer Channel. If that series didn't last long, Rajskub didn't need to worry since appearances in such features as Punch-Drunk Love, Sweet Home Alabama, and Legally Blonde 2 found her slowly drifting toward more substantial roles on the silver screen. After becoming a frequent player in the 2003-2004 season of the wildly popular television series 24, Rajskub took an ominous turn with her role as Lynette "Squeaky" Fromme in the 2004 made-for-television remake Helter Skelter.In 2006 she took on supporting roles in the Academy Award winning comedy drama Little Miss Sunshine, and director Christine Jeffs slice-of-life comedy drama Sunshine Cleaning. The continued to deliver solid supporting performances in 2008's Julie & Julia, and 2011's Safety Not Guaranteed.