Joseph H. Lewis
Director E.B. Derr
Producer

Eric Linden
Greg Carroll Ben Alexander
Sgt. Paul Donald Curtis
Lt. John Harmon Ann Doran
Linda Constance Worth
Alma Barton Weldon Heyburn
Sgt. Blake Earle Hodgins
Wallace I. Stanford Jolley
Carl Flegler Emmett Vogan
Harold Bill Cartledge
Elevator Operator Jack Cheatham
Agent Martin Dudley Dickerson
Sam Dillingham

Arthur Hoerl
Story Edward Bennett
Screenplay Howard Dillinger
Editor Arthur Martinelli
Director of Photography