Actor and stuntman Johnny Knoxville is most famous for performing extreme stunts on the American TV series "Jackass."
Peter Krause is an American actor who found fame playing lead roles on television series such as HBO's Six Feet Under and NBC's Parenthood.
Ashton Kutcher's first acting gig, playing Kelso on That '70s Show, led him to roles in films like Guess Who, A Lot Like Love, The Guardian, No Strings Attached and Jobs. The actor, model and producer married Demi Moore in 2005.
Ryan Kwanten is an Australian actor who became famous for playing Jason Stackhouse on the hit HBO vampire drama True Blood.
Actor and playwright Kwame Kwei-Armah was introduced to U.K. households in 1999 as paramedic Finlay Newton on the BBC hospital drama Casualty.
Actor Shia LaBeouf played Stanley in the Disney film in Holes and later starred in the films Disturbia and Transformers.
Extraordinarily beautiful, Hedy Lamarr was a Austrian-American actress during MGM's "Golden Age."
Michael Landon was an American actor, writer, director and producer known for his roles in I Was a Teenage Werewolf, Bonanza and Little House on the Prairie.
Tony Award–winning actor Nathan Lane starred in Broadway's The Producers and in the film The Birdcage.
Actor Frank Langella portrayed Richard Nixon in the Broadway and film version of Frost/Nixon. He won a Tony Award and an Oscar nomination.
Anglo-American stage and film actor Charles Laughton starred in The Old Dark House and Mutiny on the Bounty. He also directed The Night of the Hunter.
Laurence Olivier was one of the most acclaimed actors of the 20th century, known for his numerous Shakespeare roles on stage and screen as well as memorable turns in more modern classics.
Hugh Laurie's portrayal of Dr. Gregory on the TV show House made him famous in the United States. For years prior, the comedian was making sitcoms in the United Kingdom.
Taylor Lautner is an American actor who portrayed Jacob Black in the Twilight movie series, based on the books by Stephenie Meyer.
directed British actor Jude Law received an Academy Award nomination for his performance in Cold Mountain. He also played "Gigolo Joe" in Steven Spielberg's film A.I.
Actor Peter Lawford ran with the Rat Pack, married a Kennedy, and was the last person to speak to Marilyn Monroe. He also made movies now and then.
Comedian Martin Lawrence got hist start hosting HBO's Def Comedy Jam before appearing in movies like Bad Boys and Big Momma's House.
American actress Cloris Leachman has had a long, successful career in television and film, playing a range of dramatic and comedic roles.
Matt LeBlanc is an American actor most famous for his role as Joey Tribbiani on the hit television series, Friends.
Heath Ledger was an Academy Award-winning, Australian actor best known for his roles in Brokeback Mountain and The Dark Knight. He died of an accidental prescription drug overdose in 2008.
Brandon Lee was an action film star and the son of actor Bruce Lee. His untimely death was caused by a prop gun accident and the set of the film The Crow.
Bruce Lee was an actor, film producer and director, and the martial arts expert who founded the Jeet Kune Doe martial arts system.
Christopher Lee began his legendary career in monster movies in the 1950, playing both Frankenstein’s monster and Dracula, the latter in several classics of the genre. Lee has recently become known to a whole new generation of filmgoers in The Lord
Producer, director, writer and actor Spike Lee creates controversial films that explore race relations, political issues and urban crime and violence. His films include She's Gotta Have It and Do the Right Thing.
Singer-songwriter John Legend won his first Grammy Award with 2004's Get Lifted. The album went platinum, thanks in part to the hit single "Ordinary People."
Comedian and actor John Leguizamo is perhaps best known for his one-man stage shows and his chameleon-like ability to satirize a range of ethnic groups.
The winner of two Oscars, Jack Lemmon was one of Hollywood’s finest actors, known for his roles in films like Some Like it Hot and The Odd Couple.
Al Lewis was an entertainer who was best known for his role as Grandpa, the elderly vampire in a family of monsters, in the 1964 sitcom The Munsters.
Damian Lewis is a British actor best known for his role in Steven Spielberg’s miniseries Band of Brothers, and starring roles on the series Life and Homeland.
Jerry Lewis rose to fame as Dean Martin's comedic partner. The two performed on stage before their film career began in 1949.
Angst-ridden and neurotic, Richard Lewis turned his private pain into a comic persona that served him as a standup comedian and versatile actor, adding author to his credits when he penned a memoir of struggling with sobriety.
Jet Li is an actor and martial artist who has starred in a number of Chinese and English-language action films.
Delroy Lindo is an actor who has played both good guys and bad guys in his three-decade career in film, theater and television.
American actor Ray Liotta is best known for his on-the-edge tough-guy characterizations in films like Martin Scorsese's Goodfellas (1992) and No Escape (1994).
Actor, writer and producer James Lipton founded the Actors Studio Drama School and has hosted Bravo TV's Inside the Actors Studio since 1994.
Equally versed in comedy and drama, John Lithgow has won raves for his work in World According to Garp, 3rd Rock from the Sun, and Dexter.
Blake Lively is an actress notable for her role as Serena van der Woodsen on the CW network's teen drama Gossip Girl.
Christopher Lloyd is an American actor best known for his role as the eccentric "Doc" Brown in the successful Back to the Future films.
Comedian Harold Lloyd was a star of silent film era, appearing in notable movies Just Nuts, Girl Shy and The Freshman.
Meat Loaf is a multi-platinum musician, made famous for his rock opera, Bat Out of Hell. He's acted in cult-hit films, Rocky Horror Picture Show and Fight Club.
Mario Lopez is a television host and actor who has appeared chiefly on various television series, such as Saved by the Bell, Extra and America's Best Dance Crew.
Lyle Lovett is an eclectic country music singer/songwriter who has also been known to dabble in acting.
Comedian and actor John Lovitz was part of the Saturday Night Live cast for five years, during which time he created memorable characters like Hanukkah Harry.
Count Dracula was Actor Bela Lugosi's most famous role. Lugosi played him in stage productions and in the 1931 Universal Pictures film Dracula.
American actor Derek Luke has starred in films including Antwone Fisher (2002) and Friday Night Lights (2004).
Actor Paul Lynde is best known for his work on the fledgling game show Hollywood Squares, where he worked for 15 years.
Bernie Mac was a standup comedian and actor on film and television known for his "Bernie Mac Show" and appearance in the "Ocean's 11" films.
Former teen heartthrob beloved for his role in The Karate Kid, actor Ralph Macchio has appeared in movies, theater and on television. He is also a producer.
Seth MacFarlane is best known for writing, animating and producing the hit TV show Family Guy.
English actor Patrick Macnee is best known for playing secret agent John Steed in the 1960s television series The Avengers.
William H. Macy is an actor known for his diverse characters in films such as Fargo, Boogie Nights and Air Force One.
Tobey Maguire is an American actor and producer who is best known for his role as Peter Parker in the 2002-2007 Spiderman films.
Actor Lee Majors achieved stardom through a variety of popular TV series, including The Big Valley, The Fall Guy and The Six Million Dollar Man.
Terrence Malick is a critically acclaimed American film director who films include: Badlands, Days of Heaven and The Tree of Life.
John Malkovich is an award-winning actor who's known for his roles in films like Places in the Heart, Dangerous Liaisons and Being John Malkovich.
Joe Manganiello has risen to fame as werewolf Alcide Herveaux on the television drama True Blood.
Actor, scriptwriter and improvisational comic Jason Mantzoukas has played Rafi on the FX show The League and co-starred with Sacha Baron Cohen in The Dictator.
Marcel Marceau was best known for his work as a mime artist in France.
Half of the famed stoner duo Cheech and Chong, Cheech Marin is an accomplished comedian, actor and director.
French-American actor and model, Gilles Marini, finished second place on the eighth season of dance-competition show Dancing with the Stars.
James Marsden is an American actor best known for his role as Cyclops in the action adventure movie X-Men and its two sequels.
Actor E.G. Marshall starred on Broadway in the original runs of The Crucible and Waiting for Godot before becoming a film and TV star.
Film actor. William Marshall was an actor best known for his lead role in the legendary blaxploitation film Blacula.
Actor, singer Dean Martin starred in several films with Jerry Lewis and belonged to the "Rat Pack," which included Frank Sinatra and Sammy Davis, Jr.
Jesse L. Martin is a singer and a TV, film and stage performer known for his roles in Rent and Law & Order.
Comedian and comedy writer Steve Martin found fame starring in such films as The Jerk,
Actor Lee Marvin’s appeared in about 70 films, including Hell in the Pacific and The Dirty Dozen, between 1951 and 1986.
The oldest of the Marx Brothers, Chico Marx had an antic personality and a savvy eye for how to keep the group going, but that was also because he had a weakness for both gambling and chasing women.
Comedian and film actor Groucho Marx was one of the Marx Brothers. He spent nearly seven decades making people laugh with his snappy one-liners and sharp wit.
Often referred to as the "forgotten" Marx brother, Gummo Marx was the first to leave the act to enlist in World War I and become a businessman.
Harpo Marx was a talented comedian and mime best known for his performances as part of the Marx Brothers comedy act.
The youngest of the Marx Brothers, Zeppo Marx was the handsomest sibling, but often underappreciated as the straight man and young romantic lead. He left the famous comedic team to become a millionaire inventor.
Marcello Mastroianni often played the ideal European male in Federico Fellini's films.
Former child star Jerry Mathers is best known for playing the role of Theodore "Beaver" Cleaver from 1957-1963 on the series Leave It to Beaver.
Walter Matthau was an actor known for his gruff on-screen demeanor in such films as The Odd Couple and Grumpy Old Men.
James McAvoy is a Scottish actor best known for his roles in The Last King of Scotland (2006), Atonement (2007) and X-Men: First Class (2011).
Andrew McCarthy is best known for his roles in iconic 1980s "Brat Pack" films such as Pretty in Pink, Less than Zero, and St. Elmo's Fire.
Philadelphia's Michael McCary is known for his deep bass voice as part of the boy band Boyz II Men, which he quit in 2003 because of problems from scoliosis.
Matthew McConaughey is an American actor from Texas known for his laid back persona and good looks. He was named People magazine's "Sexiest Man Alive" in 2005.
Dylan McDermott is an American actor known for such films as Steel Magnolias and In the Line of Fire, and for TV's The Practice.
Comedian, actor, writer, director and producer Michael McDonald has done it all but is best known for his tenure on MADtv.