George Chakiris is an American actor and dancer. He is best known for his appearance in the 1961 film version of West Side Story as Bernardo, the leader of the Sharks gang, for which he won both the Academy Award for Best Supporting Actor and the Golden Globe Award for Best Supporting Actor – Motion Picture.

West Side Story is a 1961 American musical romantic drama film directed by Robert Wise and Jerome Robbins, written by Ernest Lehman, and produced by Wise. The film is an adaptation of the 1957 Broadway musical of the same title, which in turn was inspired by Shakespeare's play Romeo and Juliet. It stars Natalie Wood, Richard Beymer, Russ Tamblyn, Rita Moreno, and George Chakiris, and was photographed by Daniel L. Fapp in Super Panavision 70. The music was composed by Leonard Bernstein, with lyrics by Stephen Sondheim.