Trivia: Best known for portraying time traveler Dr. Sam Beckett in the popular sci-fi series Quantum Leap, Scott Bakula is also a noted Broadway actor and occasional movie star, though it is in the last venue that he has had the least amount of success. The son of a musician, Bakula is said to have started his own rock band when he was in the fourth grade. He also sang with the St. Louis Symphony before attending the University of Kansas. Bakula launched his acting career as a teen in regional theater and as a stage actor specializes in musical comedy. He made his Broadway debut in 1983 in Marilyn: An American Fable. He started showing up regularly on television as a guest star on such series as My Sister Sam and Designing Women during the 1980s. In 1986, Bakula starred in an unsuccessful television series, Gung Ho! Two years later he headlined another unsuccessful one, Eisenhower and Lutz. In 1988, Bakula was nominated for a Tony for his work in Romance, Romance. The following year, he was cast in Quantum Leap and has since gained a cult following; in 1992, he won a Golden Globe and was nominated four more times. Bakula was also nominated for a quartet of Emmys. Bakula made his feature-film debut starring opposite Kirstie Alley in Sibling Rivalry (1990). Other notable film appearances include L.A. Story (1991) and My Family/Mi Familia (1995). In 1993, Bakula had a recurring role on the CBS sitcom Murphy Brown as a love interest of Candice Bergen. He has also appeared in a number of television movies and in 1996, he had a stint in another short-lived series, Mr. and Mrs. Smith.Though he worked steadily in movies, television turned out to be his next great success when, in 2001, he took the part of Capt. Jonathan Archer on Star Trek: Enterprise, a program that lasted four seasons.In 2009 Bakula would star alongside Ray Romano and Andre Braugher in the well-respected comedy/drama series Men of a Certain Age, and landed in one of the best films of his career, Steven Soderbergh's The Informant!.

Trivia: A San Diego native, Jolene Blalock left home at the age of 17 to pursue a career in modeling. Traveling through Europe and Asia, the fledgling but confident model unsurprisingly found frequent work on the runways and in print. It was on a 1998 trip back to the States that Blalock was compelled to flex her heretofore untested acting skills, and after a few commercial appearances and some skill-sharpening at Toronto's Second City Improv and the Dwight Bacquie Rehearsal Workshop, she made her acting debut on television's Veronica's Closet. Already comfortable in front of the camera, Blalock's magnetism shined through the lens and she was soon cast in the made-for-television movies Jason and the Argonauts (2000) and On the Edge (2001). After nearly passing on the role three times, Blalock read the script for Enterprise and made the decision to join the crew on their missions into the stars. Set before the missions of Captain Kirk and the rest of the crew on the original Star Trek, Enterprise tells the tales of a newly commissioned spaceship's maiden voyages into the depths of space. In 2001, the actress appeared in the television miniseries drama Diamond Hunters.

Trivia: Grandson of a British army brigadier who was awarded the Order of the British Empire by King George VI. Voice of Vidal Sassoon in the early 1990s. First major role was on the British sitcom Desmond's in the 1990s. Breakthrough in the U.S. was on Star Trek: Enterprise, as tactical officer Malcolm Reed.

Trivia: Starred as eccentric alien Dr. Phlox in Star Trek: Enterprise. Runs an online book club through his official Web site; has thousands of books in his home collection. Founded Book-It Repertory Theatre, a Seattle-based company devoted to adapting fiction to the stage, in 1989. Appeared on the HBO drama True Blood in 2008, 2009 and 2010 as coroner Mike Spencer. In 2011, appeared in a Hollywood production of the play The Violet Hour. A participant in Life After Trek podcasts.

Trivia: The youngest of four siblings. Was raised in Maryland. Studied in the same acting class with actor Casper Van Dien. In 1993, starred in the first Got Milk? commercial, directed by Michael Bay. Was head of the comedy department at the now-closed James Franco's film and acting school, Studio 4. Founder and teacher of NOTS Comedy School's comedy department.

Trivia: Character actor Mark Rolston specialized in everyman portrayals with a slightly understated, tough edge to them. Born in Baltimore, MD, in 1956, Rolston broke into film in the early to mid-'80s and scored his first major feature role with a turn as a private in James Cameron's effects-heavy sci-fi blockbuster Aliens (1986). Within a few years, he began turning up in supporting capacities in numerous additional features; the more visible included Weeds (1987), Prancer (1989), Body of Evidence (1993), Rush Hour (1998), and Martin Scorsese's Best Picture winner The Departed (2006). In 2008, Rolston signed on to play Erickson, who comes face to face with Jigsaw's (Tobin Bell) diabolical traps, in the fifth installment of the gore-soaked Saw franchise. Rolston also made television appearances on programs including Touched by an Angel and NYPD Blue.

Trivia: At 19, he was diagnosed with malignant melanoma (skin cancer), the same disease that had claimed his father a year earlier. Moved to Los Angeles to pursue acting when he was 23. Met his wife while filming a movie in Berlin, Germany. With his wife, founded an organization called Balanced Life, geared at helping people improve their lives. Is a self-taught artist who was inspired to get back into painting after a visit to the Sistine Chapel. Owns several galleries across the country where he shows his art. Is a black belt in two different forms of karate.