Boris Karloff (Hjalmar Poelzig)
Bela Lugosi (Dr. Vitus Verdegast)
David Manners (Peter Allison)
Jacqueline Wells (Joan Allison)
Andy Devine
Lucille Lund (Karen)
George Davis (Bus Driver)
Paul Weigel (Stationmaster)
Albert Pollet (Waiter)
Alphonse Martell (Porter)
Tony Marlow (Patrolman)
Rodney Hildebrand (Brakeman)
Henry Armetta (Sergeant)
Herman Bing (Car Steward)
Luis Alberni (Train Steward)
Andre Cheron (Train Conductor)
Albert Conti (Lieutenant)
Anna Duncan (Maid)
Egon Brecher (Majordomo)
John Carradine (Cult organist (uncredited))
Harry Cording (Thalmar)