 Boris KarloffDr. Gustav Niemann | Dr. Gustav Niemann |
 Lon Chaney Jr.Lawrence 'Larry' Talbot (aka The Wolf Man) | Lawrence 'Larry' Talbot (aka The Wolf Man) |
 J. Carrol NaishDaniel | Daniel |
 John CarradineDracula (aka Baron Latos) | Dracula (aka Baron Latos) |
 Anne GwynneRita Hussman | Rita Hussman |
 Peter CoeCarl Hussman | Carl Hussman |
 Lionel AtwillInspector Arnz | Inspector Arnz |
 George ZuccoProf. Bruno Lampini | Prof. Bruno Lampini |
 Elena VerdugoIlonka | Ilonka |
 Sig RumanBurgomeister Hussman | Burgomeister Hussman |
 William EdmundsFejos (uncredited) | Fejos (uncredited) |
| CCharles MillerToberman (uncredited) | Toberman (uncredited) |
 Philip Van ZandtMuller (uncredited) | Muller (uncredited) |
 Julius TannenHertz (uncredited) | Hertz (uncredited) |
| HHans HerbertMeier (uncredited) | Meier (uncredited) |
 Dick DickinsonBorn (uncredited) | Born (uncredited) |
 George LynnInspector Gerlach | Inspector Gerlach |
 Michael MarkStrauss | Strauss |
 Olaf HyttenHoffman (uncredited) | Hoffman (uncredited) |
 Frank ReicherFrederick Ullman | Frederick Ullman |
 Brandon HurstDr. Geissler (uncredited) | Dr. Geissler (uncredited) |
 Glenn StrangeFrankenstein Monster | Frankenstein Monster |
 George BlagoiVillager (uncredited) | Villager (uncredited) |
| PPaul BradleyVillager (uncredited) | Villager (uncredited) |
 Edmund CobbCoachman (uncredited) | Coachman (uncredited) |
 Gino CorradoMan in Audience at Dracula Exhibit | Man in Audience at Dracula Exhibit |
 Joe KirkSchwartz (uncredited) | Schwartz (uncredited) |
 Belle MitchellUrla - Gypsy Woman | Urla - Gypsy Woman |
| AAnton NorthpoleVillager (uncredited) | Villager (uncredited) |
| JJosé PortugalVillager (uncredited) | Villager (uncredited) |
