List of Famous people who are 21

Christopher Boyes is an American sound engineer. He has won four Academy Awards and has been nominated for another ten. He has worked on more than 70 films since 1991.

Stephen C. Harrison is professor of biological chemistry and molecular pharmacology, professor of pediatrics, and director of the Center for Molecular and Cellular Dynamics of Harvard Medical School, head of the Laboratory of Molecular Medicine at Boston Children's Hospital, and investigator of the Howard Hughes Medical Institute.

Andy Fickman is an American film director, film producer, screenwriter, television director, television producer, and theatre director. His credits as a theater director include the premiere of the Reefer Madness! musical, the first Los Angeles production of the play Jewtopia, and the Los Angeles, Off-Broadway and London productions of Heathers: The Musical.

Catherine Gilbert Murdock is an American author.

Joe Hutshing is an American film editor who grew up in San Diego, California and is best known for working multiple times with film director, Oliver Stone and well as with film director Cameron Crowe. Hutshing graduated from the University of Oregon in 1980.