as Terence Aloysius 'Slip' Mahoney
as Horace Debussy 'Sach' Jones
as Bobby
as Whitey
as Chuck
as Cathy Smith
as Ace Deuce Baker
as Maizie (as Dawn Kennedy)
as Detective O'Malley
as Street Cleaner
as Moose McCall (as Wee Willie Davis)
as Henchman Spike
as Mr. Johnson
as Louie Dumbrowsky
as Professor Schnackenberger
as Feather-Fingers
as Detective Dugan
as Police Officer O'Hara