Charlie Chaplin
Adenoid Hynkel, Dictator of Tomania / A Jewish Barber

Paulette Goddard
Hannah

Jack Oakie
Benzino Napaloni, Dictator of Bacteria

Reginald Gardiner
Commander Schultz

Henry Daniell
Garbitsch

Billy Gilbert
Field Marshal Herring

Grace Hayle
Madame Napaloni

Carter DeHaven
Spook

Maurice Moscovitch
Mr. Jaeckel

Emma Dunn
Mrs. Jaeckel

Bernard Gorcey
Mr. Mann

Paul Weigel
Mr. Agar

Chester Conklin
Barber's Customer

Hank Mann
Storm Trooper Stealing Fruit

Florence Wright
Blonde Secretary

Eddie Gribbon
Tomanian Storm Trooper

Rudolph Anders
Tomanian Commandant at Osterlich / Robert O. Davis

Eddie Dunn
Whitewashed Storm Trooper

George Lynn
Commander of Storm Troopers

Wheeler Dryden
Heinrich Schtick / Translator (voice)

Fred Aldrich
Soldier (uncredited)

Richard Alexander
Tomainian Prison Guard in 1918 (uncredited)

Sig Arno
Compact Parachute Inventor (uncredited)

Don Brodie
Reporter from International Press (uncredited)

Gino Corrado
Sculptor (uncredited)

John Davidson
Hospital Superintendent (uncredited)

Max Davidson
Jewish Man (uncredited)

Pat Flaherty
Friendly Storm Trooper (uncredited)

Bud Geary
Storm Trooper (uncredited)

Leyland Hodgson
Big Bertha Gunnery Officer (uncredited)

William Irving
Man Seated on Bed (uncredited)

Ethelreda Leopold
Blonde Secretary (uncredited)

Torben Meyer
Bald Barbershop Customer (uncredited)

Nellie V. Nichols
Jewish Woman (uncredited)

Manuel París
Dance Extra at Ball (uncredited)

Jack Perrin
Jewish Man (uncredited)

Lucien Prival
Storm Trooper Officer (uncredited)

Cyril Ring
Officer Extra (uncredited)

Tiny Sandford
Soldier in 1918 Tomainia (uncredited)

Harry Semels
Jewish Fruit Stand Proprietor (uncredited)

Charles Sullivan
Prison Guard (uncredited)

Leo White
Hynkel's Barber (uncredited)

Harry Wilson
Soldier in Field (uncredited)

Hans Conried
Undetermined Role (uncredited)