TV star Mark Harmon has been on long-running shows like St. Elsewhere, Chicago Hope and NCIS.
1951-
Woody Harrelson is an actor know for his long-running role on TV's Cheers and his many film roles since.
1961-
Actor Ed Harris played John Glenn in The Right Stuff, fought a water monster in The Abyss, and was a tormented artist in Pollack.
1950-
Jared Harris is a prolific British actor known for his role on the TV series Mad Men, and his performances in the films Sherlock Holmes: A Game of Shadows and Lincoln.
1961-
Actor Neil Patrick Harris starred in TV sitcom Doogie Howser, M.D., and performed on stage in Rent and Cabaret.
1973-
Irish actor Richard Harris is best known for his performances as King Arthur in Broadway's Camelot and Albus Dumbledore in the first two Harry Potter films.
1930-2002
Rex Harrison was a Tony- and an Oscar-winning English actor known for his film and stage performances. His most famous role is that of Henry Higgins in the film musical My Fair Lady.
1908-1990
Comedian and actor Kevin Hart came to fame as a stand-up comic. He has appeared in several films and has three albums, including the 2011 hit Laugh at My Pain.
1980-
Canadian-born American actor Phil Hartman is best known for his performances on Saturday Night Live.
1948-1998
With a string of big-budget titles to his credit, actor Josh Hartnett has emerged from the crowd of 1990s teen heartthrobs to become a sought after leading man.
1978-
Comedian Steve Harvey is a radio and TV show host who has also written relationship advice books.
1957-
David Hasselhoff is a TV actor who hit it big with two wildly successful shows: Knight Rider and Baywatch.
1952-
Ethan Hawke is an actor, director, screenwriter and novelist first gained fame playing a prep school student in the 1989 film Dead Poet’s Society.
1970-
Veteran character actor John Hawkes has appeared on TV in Deadwood and such films as Winter's Bone and The Sessions.
1959-
Issac Hayes was an American musician. His hit song "Soul Man" and the musical score for the 1971 film Shaft are legendary contributions to modern music.
1942-2008
Ed Helms is an actor, comedian, singer and musician known for his work on The Daily Show, The Office and The Hangover films.
1974-
Actor Sherman Hemsley played the popular television character George Jefferson in All in the Family and The Jeffersons in the 1970s and 1980s.
1938-2012
Australian import Chris Hemsworth is known for portraying Marvel comic book hero Thor in the film series of the same name, and for his role in Snow White and the Huntsman.
1983-
Liam Hemsworth is an Australian actor of television and film known for his roles in Neighbours, The Last Song and The Hunger Games.
1990-
Charlton Heston was an American film actor best known for his roles in Antony and Cleopatra, The Ten Commandments, Ben Hur and Planet of the Apes (1968).
1923-2008
Benny Hill, the British comedian, is best known for his long running comedy series that would play in 109 countries.
1924-1992
Writer and actor Jonah Hill starred in the teen hit Superbad. In 2011, he received an Oscar nomination for his performance in Moneyball.
1983-
Steven Hill is a Jewish-American actor known for his roles in Mission Impossible and on Law & Order.
1922-
On the big screen, actor Ciaran Hinds is best known for his work in period dramas. He made his debut as one of the medieval knights in 1981’s Excalibur.
1953-
Gregory Hines began dancing as a child and went on to launch a successful Broadway, television and film career. His notable movies include The Cotton Club and White Nights.
1946-2003
Actor Philip Seymour Hoffman has gained recognition for his work in a series of successful films including Capote and Doubt.
1967-
1939-
A versatile stage, television and film actor, Hal Holbrook is an Emmy and Tony winner, and a longtime Mark Twain impersonator.
1925-
William Holden was an actor who perfected the role of the cynic who acts heroically in spite of his scorn or pessimism.
1918-1981
1969-
Ian Holm is best known for playing Bilbo Baggins in the Lord of the Rings film trilogy. He also had notable parts in Alien, The Fifth Element and The Sweet Hereafter.
1931-
Bob Hope was a entertainer and comic actor, known for his rapid-fire delivery of jokes and for his success in virtually all entertainment media.
1903-2003
Anthony Hopkins is an Oscar-winning actor known for roles in many films, including The Lion in Winter, Silence of the Lambs and The Remains of the Day.
1937-
Actor/director Dennis Hopper came to fame with 1969's Easy Rider. Later films like Blue Velvet and River's Edge cemented his legend.
1936-2010
1964-
1902-1988
Moe Howard was the leader of the vaudeville and film comedy team, The Three Stooges.
1897-1975
Ron Howard is best known for his roles on the shows Happy Days and The Andy Griffith Show, and as the director for films, including A Beautiful Mind and Apollo 13.
1954-
Terrence Howard is an American actor best known for his award-nominated performance in the 2005 film Hustle & Flow.
1969-
C. Thomas Howell is best known for his acting roles in hit 1980s films E.T. the Extra-Terrestrial (directed by Steven Spielberg), The Outsiders (1983) and The Hitcher (1986).
1966-
Noted for his exceptional good looks and comedic film performance, Rock Hudson was an iconic actor who, later in life, contracted and died from the AIDS virus.
1925-1985
D.L. Hughley is an actor and comedian known for his sitcom, The Hughleys, and his appearance in The Original Kings of Comedy.
1963-
Sam Huntington is an American actor who got his big break in 2006, playing Clark Kent’s sweet and innocent sidekick, Jimmy Olsen, in Superman Returns.
1982-
1940-
William Hurt is an Academy Award-winning actor known for his intense dramas and challenging roles in films such as Broadcast News and A History of Violence.
1950-
1906-1987
1884-1950
Josh Hutcherson is an American actor best known for his role in The Hunger Games. He’s worked with luminaries such as Robin Williams, Annette Bening and Tom Hanks.
1992-
Actor Timothy Hutton won the Best Supporting Actor Oscar for his performance in Ordinary People. His notable films include Beautiful Girls and Playing God.
1960-
Robert Iler is an American actor best known for his role as A.J. Sporano on the popular HBO show The Sopranos.
1985-
Michael Imperioli is an actor, writer and producer best known for his Emmy-winning performance on The Sopranos.
1966-
Model Kathy Ireland graced the covers of many magazines, including Sports Illustrated, in the 1980s. Today she runs her own successful business Kathy Ireland Worldwide.
1963-
Theater, film and television actor Jeremy Irons starred in the popular movies Reversal of Fortune, The Lion King, Lolita, Being Julia and The Fourth Angel.
1948-
1956-
1909-1995
Australian actor and producer Hugh Jackman is best known for playing Wolverine in the X-Men series. He's also known for parts in the films The Prestige, Australia and Les Miserables.
1968-
1946-
Samuel L. Jackson is known as one of the hardest-working Hollywood actors. In 2011, he was named the highest-grossing actor of all time.
1948-
Comedian and actor Kevin James is best known for his nine-season turn as Doug Heffernan on the CBS sitcom, The King of Queens.
1965-
1884-1950
1940-
Actor Richard Jeni was best known as a popular stand-up comedian, appearing often on television comedy shows, including a few of his own HBO comedy specials.
1957-2007
Ken Jeong is a Korean-American actor, comedian and physician, best known for his role as the comedic gangster Leslie Chow in The Hangover film franchise.
1969-
Haley Joe Osment is an American actor best known for his role in The Sixth Sense with Bruce Willis.
1988-
Actor Aaron Johnson has appeared in such films as Kick-Ass, Nowhere Boy, Savages and Anna Karenina.
1990-
Don Johnson is an actor who rose quickly to fame as undercover police office Sonny Crockett on the hit TV series Miami Vice.
1949-
Dwayne Johnson became a film actor (2001's The Mummy) after gaining fame with the World Wrestling Federation as "The Rock."
1972-
Al Jolson was a Russian-born U.S. singer, songwriter, and blackface comedian who performed in vaudeville and minstrel shows and starred in The Jazz Singer.
1886-1950
Davy Jones is a singer and actor who found fame as the singer for the band the Monkees on the TV show by the same name.
1945-2012
James Earl Jones is an American Actor, known as the voice of Darth Vader in the Star Wars movies. His film career has been vast.
1931-
Tommy Lee Jones is an American actor known for his roles in Men in Black, The Fugitive, No Country for Old Men and Lincoln (2012).
1946-
Spike Jonze is best known for his films Being John Malkovich, Adaptation and Where the Wild Things Are. He produced MTV's Jackass.
1969-
Raúl Juliá was a Puerto Rican actor best known for his work in film, including Kiss of the Spider Woman (1985) and The Addams Family (1991).
1940-1994
1972-
1924-1988
Boris Karloff was an English-born actor whose name became synonymous with horror movies.
1887-1969
Believe it or not, comedian Andy Kaufman was banned from Saturday Night Live, but beloved for his portrayal of Latka Gravas on the sitcom Taxi.
1949-1984
1950-
Actor and comedian Danny Kaye was enormously popular across stage, radio, TV and movie venues for his singing, dancing, impersonations and improvisations.
1913-1987
Comedian and director Buster Keaton was popular for his pioneering silent comedies in the 1920s.
1895-1966
Michael Keaton is an American actor known for his roles in the comedy Mr. Mom and as Batman in the Tim Burton-directed installments of the series.
1951-
1927-2004
Harvey Keitel is best known for his work with director Martin Scorsese in the films Mean Streets and Taxi Driver.
1939-
Gene Kelly was a dancer whose athletic style transformed the movie musical and did much to change the American public's conception of male dancers.
1912-1996
William Kempe was one of the most famous clowns of the Elizabethan era and originated some of Shakespeare's comedic characters.
1560-1603
Val Kilmer is an actor known for such films as Batman Forever, The Doors and Top Gun.
1959-
Ben Kingsley is an Academy Award-winning actor known for his work in films like Gandhi, Bugsy and Schindler’s List.
1943-
1963-
Actor Klaus Kinski made his mark in such films as Aguirre (1972), Nosferatu (1979) and Fitzcarraldo (1982).
1926-1991
Kevin Kline is an American actor known for his versatility, from roles in Shakespearean plays to parts in dramatic films, including Sophie's Choice and A Fish Called Wanda.
1947-
Jack Klugman is an American actor best known for his role as Oscar Madison in the Broadway play The Odd Couple and the TV series of the same name.
1922-2012
Alan King was a Jewish-American stand-up comedian who honed his skills in vaudeville, and went on to perform a number of memorable film and television roles.
1927-2004
1938-2007
1957-
Keira Knightley is a British actress who had her first major role in Star Wars: Episode 1 - The Phantom Menace and became well-known for her role in Bend It Like Beckham.
1985-
1924-2006
Actor and stuntman Johnny Knoxville is most famous for performing extreme stunts on the American TV series "Jackass."
1971-
1936-
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.
1965-
1936-