Biographie: Joshua Elias Mostel (born December 21, 1946) is an American actor with numerous film and Broadway credits. The son of Zero Mostel, he is best known for his supporting roles in films such as Jesus Christ Superstar (1973), Harry and Tonto (1974), Sophie's Choice (1982), City Slickers (1991), Billy Madison (1995), and Big Daddy (1999).