Warner Oland
Dr. Boris Karlov
Cast (10)
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
Crew (10)
George B. Seitz
Director
Corson Jowett
Sound
Florence Ryerson
Dialogue
Harold McGrath
Story
Phil Goldstone
Producer
Fay Babcock
Art Direction
Arthur Reed
Director of Photography
Ralph M. DeLacy
Settings
Florence Ryerson
Continuity
Otto Ludwig
Editor