Trivia: Though she was only 17, by the time Hayden Panettiere gained stardom as one of the leads on NBC's hit superhero drama Heroes, she'd already been acting for more than 16 years. After appearing in television commercials beginning at 11 months old, flaxen-haired Panettiere was cast as a regular on One Life to Live at five. She remained on the show for three years, before leaving for a stint on another soap, Guiding Light. Meanwhile, she appeared in a number of small movie parts as well as one of the lead voices in Pixar's A Bug's Life. After Panettiere showed up in such films as Remember the Titans and Joe Somebody, her next notable role was Maddie Harrington, the long-lost daughter of the quirky title character on Fox's Ally McBeal. Along with supporting parts in Raising Helen and Racing Stripes and the lead in the second straight-to-DVD Bring It On sequel, several more small TV roles followed before 2006, when she was cast on Heroes as the cheerleader with the ability to spontaneously heal herself. A major hit with television viewers, Heroes was nominated for Emmy awards every year from 2006 through 2010 -- ultimately taking home a trophy for Best Visual Effects in 2009. After Heroes went off the air in 2010, Panettiere seemed determined to show her versatility by taking on the role of a convicted murderess in the made-for-TV movie Amanda Knox; Murder on Trial in Italy, returning to vocal work as Little Red Riding Hood in Hoodwinked Too! Hood vs. Evil, and appearing as a successful young pop star in the 2012 ABC drama Nashville.

Trivia: Was involved in performances at No Shame Theater while studying at University of Iowa. In 2004, moved to Los Angeles to pursue a career in comedy after graduating from college. Was named in Variety's list of 10 Comics to Watch in 2008. Regularly writes, directs and acts in sketch, improv and stand-up performances at the Upright Citizens Brigade Theatre in Los Angeles. Co-host of Not Too Shabby, a weekly sketch comedy show at UCB. Is a member of the improv comedy team Last Day of School and the sketch comedy group A Kiss From Daddy. Is frequently a guest on Comedy Bang Bang's podcast. Has been a member of two musical groups, The Glass Beef and Don't Stop or We'll Die.

Trivia: A former music-video girl who appeared in clips by Pharrell and Ludacris before making her big-screen debut in ATL, Los Angeles native Lauren London possesses a small-town beauty with a distinctive smile and a slight city-girl edge. It was during London's stint in the Las Angeles public school system that the aspiring actress first began dabbling in theater and drama, and though she would later be home-schooled for her last three years of high school, the desire to perform never went away. Appearances in a handful of music videos helped to get London comfortable in front of the cameras, and when buzz began to build around the production of an upcoming film called ATL, she hired an acting coach and convinced director Chris Robinson's assistant to get her an audition. Despite being two hours late for the audition, London performed well enough under pressure to land the role of roller-skating rich girl New New -- who changes her identity and soon begins dating former high-school hotshot Rashad (played by hip-hop recording artist T.I.). With buzz around the rising starlet subsequently beginning to gain momentum, London next appeared in episodes of Everybody Hates Chris and Entourage while preparing for a role in the holiday-themed family drama This Christmas. She had a small part in Next Day Air, and landed a major role in the comedy I Love You, Beth Cooper. Two years later Tyler Perry tapped her to appear in Tyler Perry's Madea's Big Happy Family.

Trivia: The hunky and slightly burly actor Shawn Roberts debuted onscreen in his native Canada in the early '90s, but made his first significant impression among American audiences, in Hollywood, over a decade later. After receiving prominent billing as Tyler in the direct-to-video frat-boy comedy National Lampoon's Going the Distance, Roberts played Calvin Murtaugh, the straight-faced son of Eugene Levy, in the family-oriented Steve Martin vehicle Cheaper by the Dozen 2 (2005). In 2007, the actor essayed two horror roles, in the pictures Skinwalkers and George A. Romero's Diary of the Dead.

Trivia: A supporting actor in theater, television, and feature films, Alan Ruck is best-known for playing the troubled Cameron opposite Matthew Broderick in John Hughes' Ferris Bueller's Day Off (1986) and for co-starring on the ABC network situation comedy Spin City (1996-2002). A native of Cleveland, OH, Ruck's interest in acting began in high school. After earning a degree in theater from the University of Illinois, he spent five years actively involved in Chicago theater. Ruck made his feature film debut in 1983, appearing in two Chicago-produced films, Class and Bad Boys. Ruck's television career began around the same time, when he appeared in the telemovies First Steps and Hard Knox. His subsequent TV credits include guest appearances in shows such as Going Places and in movies like The Ransom of Red Chief. He took his first Broadway bow in the original 1985 production of Neil Simon's Biloxi Blues. Over the coming years, Ruck would remain active on screen, playing recurring characters on shows like The Bronx is Burning, Greek and Persons Unknown.

Trivia: Dark-haired and petite American comic actress Cynthia Stevenson first made a name for herself appearing on various television shows during the 1980s. On television she was typically cast as flighty somewhat forgetful optimists. In 1990, Stevenson was the host of the unsuccessful syndicated My Talk Show, a parody of talk shows in which she interviewed unknown celebrities in her living room. The show only lasted three months and nearly led Stevenson to leave acting. Then Robert Altman cast her as Bonnie Sherow in The Player. After that she won the second lead in Bob, a television sitcom starring Bob Newhart. Despite favorable critical reviews, the show only briefly aired. More sporadic film and television work followed until 1995, when Stevenson's career finally took flight and she appeared in three major feature films, including Live Nude Girls. As icing on the cake, she also landed the role of Gloria on the television sitcom Hope & Gloria.

Trivia: Broke into TV playing Brazilian exchange student Renata Vargas on Sweet Valley High. Was a member of The Groundlings improv group. Best known on the small screen for her role on the partially improvised sitcom Significant Others (2004), and for her role as Tillie Sullivan on the Comedy Central mockumentary comedy series Dog Bites Man (2006). Wrote, starred in and produced sketches for HBO's Funny or Die Presents (2010-11). Appeared in a stage production of Girls Talk, a play about status-obsessed mothers, in 2011. Has written for the Huffington Post.

Trivia: As a teenager, she played hockey in the Junior League in Canada. Wanted to be a professional hockey player in the NHL. At the age of 18, his parents encouraged him into pursuing his acting dream. After half a semester at Waterloo University in Canada, he was convinced to pursue acting and moved to Toronto to go to drama school. Is an animal advocate. Is an avid sportsman.

Trivia: Wrote and performed sketch comedy during his high-school years. For his role in Whistler, he was nominated for a 2007 Leo for Best Lead Performance by a Male in a Dramatic Series. Wife is a marine biologist.

Trivia: Attended a workshop at the famed Second City in Toronto when she was in high school. Studied broadcast journalism for two years before dropping out to pursue acting. Started playing drums when she was 16, which led to her first big break when she attended a casting call looking for drummers.

Trivia: Although he may have a lot in common with his television counterpart from the short-lived Freaks and Geeks, in reality Samm Levine is much more outgoing than his prime time parallel, performing standup comedy at some of New York's finest comedy clubs by the age of 15 and soon after becoming the youngest member of the New York Friar's Club. Born March 12, 1982, in Chicago, IL, and raised in Fort Lee, New Jersey, young Levine got his first taste of the spotlight when, at age 12, he emceed his sixth grade talent show. Performing standup at his bar mitzvah the following year, the aspiring jokester was soon being dropped off by his mother for performances at such Big Apple comedy staples as Carolines, Stand-Up N.Y., and the Gotham Comedy Club. Subsequently landing numerous commercial roles, Levine kicked off his television career with appearances in One Life to Live and Discovery Kids. A severe asthmatic who made frequent trips to the emergency room during his youth, his respiratory disease often made the demands of school and comedy appearances even more difficult to endure. Praised for his performance as the young member of the "geek" half of television's Freaks and Geeks, Levine originally auditioned for the role of Sam Weir (eventually essayed by John Francis Daley), though he was almost perfectly suited to the role of the smart, bully dodging, aspiring comic character of Neil Schweiber. Though the show was canceled after a short run, episodes gained a devoted following thanks to repeat airings on the FOX Family Channel, and Levine later re-joined Freaks and Geeks creator Judd Apatow (as well as a few of his former freaky cast members) for Apatow's next small-screen endeavor, the widely praised Undeclared (2001). That same year, Levine would make his feature debut in the teen spoof Not Another Teen Movie. Roles in Broken Lizard's Club Dread, Pulse, I Love You, Beth Cooper, and Inglorious Basterds followed, yet all the while Levine continued to rack up an impressive list of television credits thanks to appearances in Entourage, Veronica Mars, Modern Family, and NCIS.

Trivia: Landed her first audition at age 10.Made her theatrical feature film debut in the 2001 sports drama The Rhino Brothers.Won the Leo Award for Best Actress in a Short Film in 2009 for her role in Valentines.First main television role was Ivy Young in the Canadian comedy fantasy series Mr. Young.Guest starred on the ABC series Once Upon A Time in 2018, playing Ilsa, in the episode "Flower Child."