Career
Born in Havana, Cuba, he appeared as a bit player in eight films between 1931 and 1936. Mitchell returned to film work in 1942 after a six-year absence. Between 1942 and 1953, he was a successful supporting actor.
He is also known for his role as Colonel
Rufus in Billy Wilder"s A Foreign Affair (1948), as Gregory Peck"s commanding officer in the war drama Twelve O"Clock High (1949), and as the fictional movie mogul R. F. in the musical comedy Singin" in the Rain (1952). Mitchell died at the age of fifty from lung cancer at Saint John"s Hospital in Santa Monica, and was interred in Holy Cross Cemetery in Culver City.