Hjalmar Poelzig

Boris Karloff

Dr. Vitus Werdegast

Bela Lugosi

Joan Allison

Jacqueline Wells

Peter Alison

David Manners

Karen Werdegast Poelzig

Lucille Lund

The Majordomo

Egon Brecher

Thamal

Harry Cording

Police Sergeant

Henry Armetta

Police Lieutenant

Albert Conti

Maid (uncredited)

Anna Duncan

Car Steward (uncredited)

Herman Bing

Cult Organist (uncredited)

John Carradine

Cultist (uncredited)

John George

Train Conductor (uncredited)

Andre Cheron

Waiter (uncredited)

Albert Pollet

Train Steward (uncredited)

Luis Alberni

Bus Driver

George Davis

Porter

Alphonse Martell

Patrolman

Tony Marlow

Stationmaster

Paul Weigel

Brakeman

Rodney Hildebrand

Andy Devine