Grease is a 1978 American musical romantic comedy-drama film directed by Randal Kleiser and produced by Paramount Pictures. It is based on Warren Casey and Jim Jacobs' 1971 musical of the same name about two lovers in a 1950s high school. The film stars John Travolta, Olivia Newton-John, Stockard Channing, and Jeff Conaway. It was successful both critically and at the box office.