Tamera Darvette Mowry (born July 6, 1978) is an American actress. She first gained fame for her role opposite her identical twin sister Tia Mowry in the sitcom "Sister, Sister".

Jonathan Joseph Heder (pronounced "heeder") (born October 26, 1977) is an American actor and filmmaker. He is best known for his portrayal of the title character in 2004's "Napoleon Dynamite" as well as his role in the more recent "Blades of Glory", as well as "The Benchwarmers"

Shawn Robert Ashmore (born October 7, 1979) is a Canadian film and television actor.

Jeremy Michael London (born November 7, 1972) is an American actor. London was born in San Diego, California to Frank London, a construction worker, and Debborah Osborn, a waitress. He was raised mainly in DeSoto, Texas. After divorcing their father, his mother moved the family 13 times in six years. His identical twin brother, Jason, is older by 27 minutes and is also an actor. Jeremy has worked mostly in television while Jason has opted for a career in feature films.

Aaron Robert Ashmore (born October 7, 1979) is a Canadian film and television actor. His identical twin brother, Shawn Ashmore, is also an actor and the brothers have played twins in several movies but have also pursued roles independently.

Jason Paul London (November 7, 1972) is an American film and television actor best known for his role as Randall "Pink" Floyd in director Richard Linklater's film "Dazed and Confused". London was born in San Diego, California to Frank London, a construction worker, and Debborah Osborn, a waitress. He has an identical twin brother, Jeremy London, who is also an actor. As of 2005, the two have acted together in an episode of "7th Heaven" entitled "Smoking".

Conrad Stafford Bain (born February 4, 1923) is a Canadian-American actor. Born in Lethbridge, Alberta, Bain studied at the Banff School of Fine Arts before serving in the Canadian Army during World War II. He then studied in New York at the American Academy of Dramatic Arts, where his classmates included actor Charles Durning and comedian Don Rickles; he became a naturalized citizen of the United States in 1946 then he graduated in 1948.

Shane Kinsman (born November 13, 1997) is an American child actor who typically plays a rambunctious twin alongside his identical twin brother Brent. He played Kyle Baker in the 2003 film "Cheaper by the Dozen" and its 2005 sequel "Cheaper by the Dozen 2". He has a featured role as Porter Scavo on the popular ABC television series "Desperate Housewives".

Brent Kinsman (born November 13, 1997) is an American child actor who typically plays a rambunctious twin alongside his identical twin brother Shane. He played Nigel Baker in the 2003 film "Cheaper by the Dozen" and its 2005 sequel "Cheaper by the Dozen 2". He has a featured role as Preston Scavo on the popular ABC television series "Desperate Housewives".

Clinton Derricks-Carroll (born May 15, 1953 in Knoxville, Tennessee) is an American actor and musician. He is the twin brother of Cleavant Derricks, who is also an actor. Clinton starred in the TV series "Wally Brown" (1979, as Wally Brown) and "Sanford" (1980-1981, as Cliff Anderson). He also had guest appearances in a number of other series, …

Bonar Bain (born February 4, 1923 in Lethbridge, Alberta), a Canadian actor, is the identical twin brother of the actor Conrad Bain who starred in Diff'rent Strokes as Phillip Drummond, father to Arnold and Willis Jackson. He once played a fictional "evil" twin to Conrad ("Hank Bain") in an episode of "SCTV".

Cleavant Derricks, Jr. (born May 15, 1953 in Knoxville, Tennessee, USA) is a Tony Award-winning American actor and singer/songwriter. He has a twin brother Clinton Derricks-Carroll, and is the son of songwriter Cleavant Derricks.