 Charlie ChaplinAdenoid Hynkel, Dictator of Tomania / A Jewish Barber | Adenoid Hynkel, Dictator of Tomania / A Jewish Barber |
 Paulette GoddardHannah | Hannah |
 Jack OakieBenzino Napaloni, Dictator of Bacteria | Benzino Napaloni, Dictator of Bacteria |
 Reginald GardinerCommander Schultz | Commander Schultz |
 Henry DaniellGarbitsch | Garbitsch |
 Billy GilbertField Marshal Herring | Field Marshal Herring |
 Grace HayleMadame Napaloni | Madame Napaloni |
 Carter DeHavenSpook | Spook |
 Maurice MoscovitchMr. Jaeckel | Mr. Jaeckel |
 Emma DunnMrs. Jaeckel | Mrs. Jaeckel |
 Bernard GorceyMr. Mann | Mr. Mann |
 Paul WeigelMr. Agar | Mr. Agar |
 Chester ConklinBarber's Customer | Barber's Customer |
| EEsther MichelsonJewish Woman | Jewish Woman |
 Hank MannStorm Trooper Stealing Fruit | Storm Trooper Stealing Fruit |
 Florence WrightBlonde Secretary | Blonde Secretary |
 Eddie GribbonTomanian Storm Trooper | Tomanian Storm Trooper |
 Rudolph AndersTomanian Commandant at Osterlich / Robert O. Davis | Tomanian Commandant at Osterlich / Robert O. Davis |
 Eddie DunnWhitewashed Storm Trooper | Whitewashed Storm Trooper |
| NNita PikeSecretary | Secretary |
 George LynnCommander of Storm Troopers | Commander of Storm Troopers |
 Wheeler DrydenHeinrich Schtick / Translator (voice) | Heinrich Schtick / Translator (voice) |
 Fred AldrichSoldier (uncredited) | Soldier (uncredited) |
 Richard AlexanderTomainian Prison Guard in 1918 (uncredited) | Tomainian Prison Guard in 1918 (uncredited) |
 Sig ArnoCompact Parachute Inventor (uncredited) | Compact Parachute Inventor (uncredited) |
| WWilliam ArnoldTomanian Officer (uncredited) | Tomanian Officer (uncredited) |
| JJoe BordeauxGhetto Extra (uncredited) | Ghetto Extra (uncredited) |
 Don BrodieReporter from International Press (uncredited) | Reporter from International Press (uncredited) |
 Gino CorradoSculptor (uncredited) | Sculptor (uncredited) |
 John DavidsonHospital Superintendent (uncredited) | Hospital Superintendent (uncredited) |
