Bowery Bombshell

Leo Gorcey

as Terence Aloysius 'Slip' Mahoney

Huntz Hall

as Horace Debussy 'Sach' Jones

Bobby Jordan

as Bobby

William Benedict

as Whitey

David Gorcey

as Chuck

Teala Loring

as Cathy Smith

Sheldon Leonard

as Ace Deuce Baker

Daun Kennedy

as Maizie (as Dawn Kennedy)

James Burke

as Detective O'Malley

Vince Barnett

as Street Cleaner

William 'Wee Willie' Davis

as Moose McCall (as Wee Willie Davis)

William Ruhl

as Henchman Spike

Emmett Vogan

as Mr. Johnson

Bernard Gorcey

as Louie Dumbrowsky

Milton Parsons

as Professor Schnackenberger

Lester Dorr

as Feather-Fingers

William Newell

as Detective Dugan

Eddie Dunn

as Police Officer O'Hara