John Hoyt was born on October 5, 1905 in Bronxville, New York, USA as John McArthur Hoysradt. He was an actor and writer, known for Spartacus (1960), When Worlds Collide (1951) and Attack of the Puppet People (1958).
He was married to Dorothy Marion Oltman and Marion Virginia Burns. He died on September 15, 1991 in Santa Cruz, California, USA.
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