Insp. Steve Trent
Betty Lane
Helen Stanley
Lee Davis
George T. Noel
Karl Williams
Larry King (as Clifford Jones)
Jimmy
Gibson
Jack Baker
Jessie Allen
Ballistic Expert
Electrician (uncredited)
Detective #3 (uncredited)
Wallach (uncredited)
Motorcycle Officer (uncredited)
Electrician (uncredited)
Gateman (uncredited)
Guard #1 (uncredited)
Electrician (uncredited)
Detective #2 (uncredited)
Doctor (uncredited)
Mr. Richardson - Studio Manager (uncredited)
Motorcycle Officer (uncredited)
Electrician (uncredited)
Property Man (uncredited)
Guard #2 (uncredited)
Detective #1 (uncredited)
Reilly (uncredited)
Jennings (uncredited)
Detective #4 (uncredited)
Radio Announcer (uncredited)
Electrician (uncredited)
Double (uncredited)