Cast
Addison Richards
Ed Eberhart
Charley Grapewin
Doc Heath
Tom Neal
Hank Hogan
Frank M. Thomas
Jim Nixon
Helen Jerome Eddy
Susan, Laboratory Analyst (uncredited)
Dennis O'Keefe
Jerry O'Connor
Nat Pendleton
Buddy Buttle
Harry Carey
P.G. Delano
Tom Collins
Lefty Simmons
Cecilia Parker
Jane Delano
Clayton Moore
Hospital Interne (as Jack Carlton)
Alan Curtis
Jose "Rocks" Rivera
Frank Orth
Tim McKelvy
Si Jenks
Jenkins
Barbara Bedford
Woman in Movie House (uncredited)