Ralph Bellamy
Insp. Steve Trent
Acting
Shirley Grey
Betty Lane
Acting
Gail Patrick
Helen Stanley
Acting
Kane Richmond
Lee Davis
Acting
Bradley Page
George T. Noel
Acting
Vincent Sherman
Karl Williams
Directing
Phillip Trent
Larry King (as Clifford Jones)
Acting
Arthur Rankin
Jimmy
Acting
Lucien Prival
Gibson
Acting
Ward Bond
Jack Baker
Acting
Helen Eby-Rock
Jessie Allen
Acting
Frank O'Connor
Ballistic Expert
Acting
Charles Brinley
Electrician (uncredited)
Acting
A.S. Byron
Detective #3 (uncredited)
Acting
Stephen Chase
Wallach (uncredited)
Acting
Jack Cheatham
Motorcycle Officer (uncredited)
Acting
Edmund Cobb
Electrician (uncredited)
Acting
Kernan Cripps
Gateman (uncredited)
Acting
Budd Fine
Guard #1 (uncredited)
Acting
Pat Harmon
Electrician (uncredited)
Acting
A.R. Haysel
Detective #2 (uncredited)
Acting
William Humphrey
Doctor (uncredited)
Acting
Edward Keane
Mr. Richardson - Studio Manager (uncredited)
Acting
Sam Lufkin
Motorcycle Officer (uncredited)
Acting
Buck Mack
Electrician (uncredited)
Acting
Frank Mills
Property Man (uncredited)
Acting
Bruce Mitchell
Guard #2 (uncredited)
Acting
Earl Pingree
Detective #1 (uncredited)
Acting
Hal Price
Reilly (uncredited)
Acting
Ky Robinson
Jennings (uncredited)
Acting
Dick Rush
Detective #4 (uncredited)
Acting
Lee Shumway
Radio Announcer (uncredited)
Acting
Cap Somers
Electrician (uncredited)
Acting
Ned Winchester
Double (uncredited)
Acting