크레딧 출연 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 스텝 George B. Seitz Directing Corson Jowett Sound Florence Ryerson Writing Harold McGrath Writing Phil Goldstone Production Fay Babcock Art Arthur Reed Camera Ralph M. DeLacy Art Florence Ryerson Directing Otto Ludwig Editing