Ted de Corsia was an American radio, film, and television actor best remembered for his role as a gangster who turned state's evidence in the 1951 film, The Enforcer. In radio, he voiced roles on The March of Time, The Shadow, and Mike Hammer.
De Corsia was born in Brooklyn, New York. He made his movie debut in Orson Welles' The Lady from Shanghai and went on to make a career playing villains and gangsters in 1940s and 1950s films including The Naked City,The Big Combo, The Killing, Baby Face Nelson, and Slightly Scarlet, The Joker is Wild.
In the late 1950s and 1960s, he appeared in a number of television series, mostly westerns. He was featured on three episodes of the CBS courtroom drama series Perry Mason, including the 1964 episode "The Case of the Drifting Dropout" when he played murder victim Mort Lynch, and "The Case of the Positive Negative" in 1966 when he played murder victim George Emory.