Full Credits
18 members

Leo Gorcey
Terence Aloysius 'Slip' Mahoney

Huntz Hall
Horace Debussy 'Sach' Jones

Bobby Jordan
Bobby

William Benedict
Whitey

David Gorcey
Chuck

Teala Loring
Cathy Smith

Sheldon Leonard
Ace Deuce Baker

Daun Kennedy
Maizie (as Dawn Kennedy)

James Burke
Detective O'Malley

Vince Barnett
Street Cleaner

William 'Wee Willie' Davis
Moose McCall (as Wee Willie Davis)
William Ruhl
Henchman Spike

Emmett Vogan
Mr. Johnson

Bernard Gorcey
Louie Dumbrowsky

Milton Parsons
Professor Schnackenberger

Lester Dorr
Feather-Fingers

William Newell
Detective Dugan

Eddie Dunn
Police Officer O'Hara
15 members
Phil Karlson
Director
Theodore Joos
Assistant Director
Tim Ryan
Dialogue
Edmond Seward
Screenplay
Victor Hammond
Story
Lindsley Parsons
Producer
Jan Grippo
Producer
Glenn Cook
Production Manager
William A. Sickner
Director of Photography
Edward J. Kay
Music Director
Tom Lambert
Sound
Dave Milton
Art Direction
Harry Ross
Makeup Artist
Richard C. Currier
Supervising Editor
William Austin
Editor