Vince Barnett
Street Cleaner
Bernard Gorcey
Louie Dumbrowsky
James Burke
Detective O'Malley
Huntz Hall
Horace Debussy 'Sach' Jones
Emmett Vogan
Mr. Johnson
Sheldon Leonard
Ace Deuce Baker
Leo Gorcey
Terence Aloysius 'Slip' Mahoney
Bobby Jordan
Bobby
William 'Wee Willie' Davis
Moose McCall (as Wee Willie Davis)
Milton Parsons
Professor Schnackenberger
William Newell
Detective Dugan
Teala Loring
Cathy Smith
David Gorcey
Chuck
Lester Dorr
Feather-Fingers
Eddie Dunn
Police Officer O'Hara
Daun Kennedy
Maizie (as Dawn Kennedy)
William Benedict
Whitey