Leo Gorcey
Terence Aloysius 'Slip' Mahoney
                                                        Huntz Hall
Sach
                                                        Douglass Dumbrille
Dr. Coslow
                                                        Bobby Jordan
Bobby
                                                        Gabriel Dell
Gabe 'Gabie' Moreno
                                                        William Benedict
Whitey (as Billy Benedict)
                                                        David Gorcey
Chuck
                                                        Tanis Chandler
Mignon
                                                        Maurice Cass
Dr. Bender
                                                        Vera Lewis
Mrs. Grimm
                                                        Charles Middleton
Mr. Stiles
                                                        Chester Clute
Brown
                                                        Richard Alexander
Ivan
                                                        Bernard Gorcey
Louis Xavier 'Louie' Dumbrowski
                                                        Charles Millsfield
Dean Pettyboff
                                                        Art Miles
Herman the Gorilla (as Arthur Miles)