John Hoyt was an American film, theatre, and television actor, October 5, 1905 – September 15, 1991. He began his acting career on Broadway, later appearing in numerous films and television series.

He is perhaps best known for his roles in the films The Lawless (1950), When Worlds Collide (1951), Julius Caesar (1953), Blackboard Jungle (1955), Spartacus (1960), Cleopatra (1963), The Outer Limits (1964), Flesh Gordon (1974), and the television series Gimme a Break! (1981-87).