Isaac Sidney Caesar was an American actor, comedian and writer. With a career spanning 60 years, he was best known for two pioneering 1950s live television series: Your Show of Shows (1950–1954), which was a 90-minute weekly show watched by 60 million people, and its successor, Caesar's Hour (1954–1957), both of which influenced later generations of comedians. Your Show of Shows and its cast received seven Emmy nominations between the years 1953 and 1954 and tallied two wins. He also acted in films; he played Coach Calhoun in Grease (1978) and its sequel Grease 2 (1982) and appeared in the films It's a Mad, Mad, Mad, Mad World (1963), Silent Movie (1976), History of the World, Part I (1981), Cannonball Run II (1984), and Vegas Vacation (1997).

Grease is a 1978 American musical romantic comedy film directed by Randal Kleiser from a screenplay by Bronté Woodard and an adaptation by co-producer Allan Carr, based on the stage musical of the same name by Jim Jacobs and Warren Casey. The film depicts the lives of greaser Danny Zuko and Australian transfer student Sandy Olsson, who develop an attraction for each other during a summer romance.