Jalopy

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