"An auto mechanic suspects sabotage in a recent series of fatal racecar accidents."
Dennis O'Keefe
as Jerry O'Connor
Cecilia Parker
as Jane Delano
Nat Pendleton
as Buddy Buttle
Harry Carey
as P.G. Delano
Addison Richards
as Ed Eberhart
Charley Grapewin
as Doc Heath
Alan Curtis
as Jose "Rocks" Rivera
Tom Neal
as Hank Hogan
Tom Collins
as Lefty Simmons
Frank Orth
as Tim McKelvy
Frank M. Thomas
as Jim Nixon
Si Jenks
as Jenkins
Clayton Moore
as Hospital Interne (as Jack Carlton)
Barbara Bedford
as Woman in Movie House (uncredited)
Helen Jerome Eddy
as Susan, Laboratory Analyst (uncredited)
Edward Sedgwick
Director
Malcolm Campbell
Novel
Byron Morgan
Screenplay
Milton Merlin
