Lambert Hillyer Director Otto Kruger Dr. Jeffrey Garth Actor Gloria Holden Countess Marya Zaleska Actor Marguerite Churchill Janet Blake Actor Irving Pichel Sandor Actor Edward Van Sloan Professor Van Helsing Actor Nan Gray Lili Actor Hedda Hopper Lady Esme Hammond Actor Gilbert Emery Sir Basil Humphrey Actor Claude Allister Sir Aubrey Actor E.E. Clive Sergeant Wilkes Actor Halliwell Hobbes Hawkins Actor Billy Bevan Albert Actor Gordon Hart Mr. Graham (host) (uncredited) Actor Douglas Wood Dr. Townsend Actor John L. Balderston Writer Garrett Fort Writer David O. Selznick Writer Bram Stoker Writer E.M. Asher Producer Harry Zehner Executive Producer George Robinson Cinematographer Milton Carruth Film Editing Heinz Roemheld Original Music Albert D'Agostino Art Director Brymer Costume Design Grace Boyd Hair Stylist Otto Lederer Makeup Artist Victor Noerdlinger Assistant Director Sergei Petschnikoff Assistant Director Joe Lapis Sound Recordist Edward Ward Conductor, Music Supervisor