character - Bert / Mermonkey (voice)

character - Kowalski (uncredited)

character - Herman (uncredited)

character - Anthony Herman

character - Slim, Worker

character - Sgt. Conners

character - Policeman (uncredited)

character - Officer Garrett (Uncredited)

character - Marine (Uncredited)

character - Swede (uncredited)

character - Bouncer

character - Red

character - Bill Cormack

character - Chief Petty Officer (uncredited)

character - Brack Warren

character - Dawson

character - Coach Jimmy Wayburn

character - Lew West

character - Dan Gordon [Chs. 1, 8-10]

character - Mike - Dynamo Operator (uncredited)

character - Corporal (uncredited)

character - Don DeLuca - Henchman

character - FBI Agent Watson (uncredited)

character - John Lawrence

character - Gilman

character - Guard

character - Capt. Todd Hayden

character - Nicholas 'Nick' Allen

character - Captain Morgan

character - Rodney Cummings

character - Guy Edwards

character - Bill Morgan

character - Marc Antony

character - Henchman Roach (uncredited)

character - Babe