크레딧 출연 벨라 루고시 Dr. Melcher/ Monsieur Colomb Clayton Moore FBI Agent Richard ‘Dick’ Martin Joan Barclay Alice Saunders George Pembroke Dr. William Saunders Robert Frazer Amos Hanlin Robert Fiske Phillip Wallace Irving Mitchell John Van Dyke Edward Peil Sr. Ryder Kenneth Harlan FBI Chief Colton Max Hoffman Jr. Kearney Joseph Eggenton Stevens I. Stanford Jolley The Dragon Frank Melton FBI Agent 스텝 William Nigh Directing Jack Dietz Production Sam Katzman Production Johnny Lange Sound Arthur Reed Camera Carl Pierson Editing Harvey Gates Writing Harvey Gates Writing Robert Kehoe Writing Jack Dietz Production Lew Porter Sound Dave Milton Art Glen Glenn Sound Heinz Roemheld Sound Arthur Hammond Directing Gerald Schnitzer Directing