A mad doctor is determined to take revenge on the family he believes is responsible for his daughter's death.
2.6 / 5
Warner Oland
Dr. Boris Karlov
June Collyer
Kitty Conover
Lloyd Hughes
Prince Nicholas Petroff
Clara Blandick
Aunt Abbie
Hale Hamilton
Martin Kent
Wallace MacDonald
Prince Gregor Petroff
George Fawcett
General Petroff
Florence Lake
Anya Karlov
Mischa Auer
Peter
Ernest Hilliard
Prince Ivan Petroff
George B. Seitz
Director
Corson Jowett
Sound
Phil Goldstone
Producer
Florence Ryerson
Dialogue
Harold McGrath
Story
Fay Babcock
Art Direction
Ralph M. DeLacy
Settings
Continuity
Otto Ludwig
Editor
Arthur Reed
Director of Photography
