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).

Your Show of Shows is a live 90-minute variety show that was broadcast weekly in the United States on NBC from February 25, 1950, through June 5, 1954, featuring Sid Caesar and Imogene Coca. Other featured performers were Carl Reiner, Howard Morris, Bill Hayes, baritone singer Jack Russell, Judy Johnson, the Hamilton Trio and the soprano Marguerite Piazza. José Ferrer made several guest appearances on the series.