The Minnesota-born actor came to New York in 1938, were he proceeded to work steadily in radio. Widmark appeared in five Broadway shows between 1943-1946: Kiss and Tell, Get Away Old Man, Trio, Kiss Them For Me, and Dunnigan's Daughter.
In 1947, he made his film debut as psychopathic killer Tommy Udo in Kiss of Death, for which he received an Academy Award nomination as Best Supporting Actor. He made over 60 films in the next 45 years, including Night and the City, Panic in the Streets, The Alamo, Judgment at Nuremberg, and Saint Joan, in which he played the Dauphin. His last major Hollywood role was in True Colors in 1991.
Widmark is survived by his wife, Susan Blanchard, and his daughter Anne Heath Widmark.