Mike Zimring (May 24, 1916 – February 23, 2011) was an American entertainment agent. Zimring attended the drama school, Pasadena Playhouse, 1936–37, and was a radio actor in Hollywood and Chicago, 1938-41. He was a captain in the United States Army, 1941-46 heading the theatrical branch of the European Theater of Operations. In 1947, he was assistant to Orson Welles in the Mercury Theater. Zimring joined the William Morris Agency in 1948, becoming the senior agent in the motion picture department in 1950 and head of the literary department in 1959. He stayed at the William Morris Agency for several decades before becoming independent in the early 1990s. He lived in Beverly Hills, California.