Characters played by Leo Gorcey
Slip Mahoney
Characters played by Huntz Hall
Sach
Characters played by Bobby Jordan
Bobby
Characters played by Gabriel Dell
Gabe
Characters played by Betty Compson
Selena Webster
Characters played by William 'Billy' Benedict
Whitey
Characters played by David Gorcey
Chuck
Characters played by Teala Loring
Eleanor Williams
Characters played by Dan Seymour
Dr. Armand
Characters played by Byron Foulger
Prof. Quizard
Characters played by Patti Brill
Alice
Characters played by Pierre Watkin
Dr. Rolfe Carter
Characters played by Danny Beck
Lennie the Meatball
Characters played by Bernard Gorcey
Louie
Characters played by Carmen D'Antonio
Receptionist
Characters played by Noble Johnson
Hasson
Characters played by William Ruhl
McGregor - Apartment Manager
Characters played by Joe Bautista
Estaban
Characters played by Brandon Beach
Professor
Characters played by Phil Bloom
Phil
Characters played by Jack Cheatham
Police Sergeant
Characters played by Bob Faust
Tom Williams
Characters played by Raoul Freeman
Police Officer
Characters played by Joe Garcio
Police Officer
Characters played by Pat O'Malley
Police Lieutenant
Characters played by Ted Pavelec
Thug
Characters played by Louis Payne
Professor
Characters played by Charles Phillips
Customer
Characters played by Chalky Williams
Police Officer