Who Done It? movie trailer (1942) - Plot synopsis: Two dumb soda jerks dream of writing radio mysteries. When they try to pitch an idea at a radio station, they end up in the middle of a real murder when the station owner is killed during a broadcast.
Director: Erle C. Kenton
Writers: Stanley Roberts, Stanley Roberts, Edmund Joseph
Stars: Bud Abbott, Lou Costello, Patric Knowles
Genre: Comedy, Film-Noir