
Actor
John Hoyt
109 credited titles on WatchWise
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). Hoyt was born John McArthur Hoysradt in Bronxville, New York, the son of Warren J. Hoysradt, an investment banker, and his wife, Ethel Hoysradt, née Wolf. He attended the Hotchkiss School and Yale University, where he served on the editorial board of campus humor magazine The Yale Record. He received a bachelor's and a master's degree from Yale. He worked as a history instructor at the Groton School for two years. Hoyt shortened his surname in 1945, the year before his film debut in O.S.S. He became a familiar face in film noir and played the strict Principal Warneke in the 1955 film Blackboard Jungle, starring Glenn Ford. He played an industrialist in the 1951 film When Worlds Collide. Hoyt appeared in one
Associated performance by genre
Worldwide gross by tagged contribution — US$.
Bankability assessment
Films measured × gross-vs-budget efficiency, weighted by billing prominence — lead roles and directing count fully, minor roles fractionally. Association, not attribution — not a claim that this individual caused the revenue.
Filmography cards
Each title carries role, budget, worldwide gross and commercial verdict.
Based on 5 of 109 catalogued titles with reported budget and worldwide gross — figures from TMDB and Wikipedia (reused under CC BY-SA), shown in US$. Coverage varies by title; figures are estimates, not audited trade data.
Acted in (109)
Titles are ones WatchWise has catalogued so far — not necessarily a complete filmography.











































































































