Leo Gorcey
— Terrence Aloysius 'Slip' Mahoney
Huntz Hall
— Horace Debussy 'Satch' Jones
Robert Lowery
— Skid Wilson
Jane Easton
— Bobbie Lane
Leon Belasco
— The Professor
Bernard Gorcey
— Louie Dumbrowsky
David Gorcey
— Chuck
Benny Bartlett
— Butch
Richard Benedict
— Tony, the driver
Murray Alper
— Red, the mechanic
Tom Hanlon
— Race Announcer
Mona Knox
— Party Brunet, dancing with Slip