Director
George B. Seitz
DIRECTOR
Stars (in credits order)
Warner Oland
Dr. Boris Karlov
June Collyer
Kitty Conover
Lloyd Hughes
Prince Nicholas Petroff
Clara Blandick
Abbie Krantz
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
Ann Brody
Taisyauncredited
Julia Swayne Gordon
Aristocrat at Banquetuncredited
Ruth Hall
Banquet Guestuncredited
Robert Homans
Detectiveuncredited
Murdock MacQuarrie
Stephen - the Butleruncredited
Broderick O'Farrell
Dr. Brettuncredited
Harry Semels
Karlov's Henchmanuncredited