"One of the sons of late Dr. Henry Frankenstein finds his father's ghoulish creation in a coma and revives him, only to find out the monster is controlled by Ygor who is bent on revenge."
Basil Rathbone
as Baron Wolf von Frankenstein
Boris Karloff
as The Monster
Bela Lugosi
as Ygor
Lionel Atwill
as Inspector Krogh
Josephine Hutchinson
as Elsa von Frankenstein
Donnie Dunagan
as Peter von Frankenstein
Emma Dunn
as Amelia
Edgar Norton
as Thomas Benson
Perry Ivins
as Fritz
Lawrence Grant
as Bürgermeister
Lionel Belmore
as Emil Lang
Michael Mark
as Ewald Neumüller
Caroline Frances Cooke
as Frau Neumüller
Gustav von Seyffertitz
as Burgher
Lorimer Johnston
Tom Ricketts
Ward Bond
as Gendarme at Gate (uncredited)
Betty Chay
as Undetermined Role (uncredited)
Harry Cording
as Bearded Gendarme (uncredited)
Jack Curtis
as Actor (uncredited)
Fred Farrell
as Villager (uncredited)
Jack Harris
as Extra (uncredited)
Russ Powell
as Webber - Burgher (uncredited)
Clarence Wilson
as Dr. Berger (uncredited)
Rowland V. Lee
Director
Mary Shelley
Novel
Wyllis Cooper
Screenplay
George Robinson
Director of Photography
Ted J. Kent
Editor
Jack Otterson
Co-Art Director
Russell A. Gausman
Set Decoration
Vera West
Costume Design
Jack Pierce
Makeup Artist
Producer
Bernard B. Brown
Sound Supervisor
William Hedgcock
Sound Recordist
John P. Fulton
Special Effects
Costume Designer
Fred Frank
Assistant Director
Richard H. Riedel
Art Department Manager
Bud Wolfe
Stunts
Arthur Gerstle
Assistant Camera
Charles Previn
Music Director
Hans J. Salter
Music Arranger
Frank Skinner
Orchestrator
Original Music Composer