John Hoyt, American actor (b. 1904)
John Hoyt (born John McArthur Hoysradt; October 5, 1905 – September 15, 1991) was an American actor. He began his acting career on Broadway, later appearing in numerous films and television series.

He is perhaps best known for his film and TV roles in The Lawless (1950), When Worlds Collide (1951), Julius Caesar (1953), Blackboard Jungle (1955), Spartacus (1960), Cleopatra (1963), Flesh Gordon (1974), and Gimme a Break!