Director
George B. Seitz
DIRECTOR
Writer
Harold McGrath
WRITER
Florence Ryerson
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
Taisya (uncredited)
Julia Swayne Gordon
Aristocrat at Banquet (uncredited)
Ruth Hall
Banquet Guest (uncredited)
Robert Homans
Detective (uncredited)
Murdock MacQuarrie
Stephen - the Butler (uncredited)
Broderick O'Farrell
Dr. Brett (uncredited)
Harry Semels
Karlov's Henchman (uncredited)
