Michael O'Shea was an was an actor and the husband of actress Virginia Mayo.
He appeared in more than 500 radio roles before creating the role of Pvt. Mulveroy in Maxwell Anderson's stage production of "Eve of St. Mark" on Broadway. The stage role led him to a film contract with producer Hunt Stromberg, who brought him to Hollywood in 1943, where his first screen role was as a burlesque comic in "Lady of Burlesque."
His next film appearance was in the title role in "Jack London," and he later starred in such pictures as "It's a Pleasure," "Captain China," "Mr. District Attorney," "Underworld Story," "The Marriage Broker," "Bloodhounds of Broadway" and "It Should Happen to You."