Leo Gorcey
Terence Aloysius 'Slip' Mahoney
Huntz Hall
Horace Debussy 'Sach' Jones
Betty Compson
Selena Webster
Gabriel Dell
Gabe
Teala Loring
Eleanor Williams
William Benedict
Whitey
Bobby Jordan
Bobby
David Gorcey
Chuck
Bernard Gorcey
Louie
D
Dan Seymour
Dr. Armand
Byron Foulger
Prof. Quizard
Patti Brill
Alice
Pierre Watkin
Dr. Rolfe Carter
D
Danny Beck
Lennie the Meatball
C
Carmen D'Antonio
Receptionist
Noble Johnson
Hasson / Richard
W
William Ruhl
McGregor - Apartment Manager
L
Louis Faust
Tom Williams (uncredited)