Discover
Henry O'Neill
Dr. Everett Colner
Morris Ankrum
Lt. Pat McKay
Arthur Space
Burton Caighn Jr.
Paul Guilfoyle
Dudley Badger
Dorothy Adams
Mrs. Mary Abbott (uncredited)
Paul Langton
Peter Selkin (uncredited)
William Tannen
McKay's Assistant (uncredited)
Charles Thompson
David Ranklin (uncredited)
John Vosper
Dr. Elton Parkson (uncredited)
Jacqueline White
Jean Smith (uncredited)
Art
Richard Duce
Art Direction
Camera
Jackson Rose
Director of Photography
Editing
Tom Biggart
Editor
Writing
Edward Bock
Original Story
Edward Bock
Screenplay
Richard H. Landau
Original Story
Richard H. Landau
Screenplay
Art
Richard Duce
Art Direction
Camera
Jackson Rose
Director of Photography
Editing
Tom Biggart
Editor
Writing
Edward Bock
Original Story
Edward Bock
Screenplay
Richard H. Landau
Original Story
Richard H. Landau
Screenplay