Jack Oakie

as Napaloni - Dictator of Bactera (archive footage)

as Self (archive footage)

as Self (archive footage)

as Benzini Napaloni (archive footage) (uncredited)

as Joe Kelsey

as Otis Cobb

as J. Paxton Miller

as Ham Tucker

as Mac

as Travis Hyle

as Thaddeus Cade

as SS Henrietta Captain

as Self

as Sol Beckworth

as Sgt. Dominick

as Slob

as Bozo Evans

as Frank Rey

as Mike Kirby

as Jerry Marlowe

as Michael Sullivan

as Steve 'Slim' Gogarty

as Michael O'Rourke

as Popsy

as Pete Monahan

as (archive footage) (uncredited)

as Uncle Oscar Smith

as Skip Hutton

as Dan Daley

as Larry Martin

as Self

as Slip Riggs

as Rusty Smith

as Boley Bolenciecwcz

as Self - Watching Polo Match

as 'Cake' O'Hara

as Chuck Hadley

as William "Willie" Deming

as Harry Calhoun

as Benzino Napaloni, Dictator of Bacteria

as Joe Ballantine

as Bates

as Lanny Morgan

as Lanny Morgan

as Harry

as Corny Davis

as "Honest Ham" Hamilton

as Luke

as Bill Martin

as Happy Gallagher

as Whammo Lonsdale

as Henry B. 'Wahoo' Jones

as Bangs Tucker

as Joe Cork

as Jerry Craig

as Joe Cooney

as Spud Miller

as 'Shorty' Hoolihan

as Self

as Francis J. Finnegan

as Nicky Nelson

as Jack Ellery

as Self

as Casey

as Tweedledum

as Self (archive footage) (uncredited)

as Chick Parker

as Benny Day

as Barney Shirrel

as Mike 'Slug' Richards

as Kelsey Jones

as Charlie Bayne

as Eddie Doyle

as Private Mulligan

as Eddie Burke

as George Lewis

as Self

as Migg Tweeny

as Jack Oakie (uncredited)

as Alec Dugan

as Duke Taylor

as Babe Barton

as Jennifer

as Jack Oakie

as Frederick Martin Stevens

as Charlie Case

as Searchlight Doyle

as Voltaire McGinnis

as Littleton Looney

as Marco Perkins

as Himself / Master of Ceremonies / Fu Manchu's Victim (Murder Will Out) / Girls Gym Instructor (In a Girls' Gym)

as Bilge

as Tap-Tap Thompson

as Joe Spring

as Marty Martin

as Lew Layton

as Ben Barney

as Al

as James "Jimmy" Williams, the reporter

as Dopey Hart

as 'Chicken' O'Toole

as Michael Casey

as Searchlight Doyle

as Sam

as B. B. Brown

as Minor Role (uncredited)