크레딧 출연 Frank Buck Frank Hardy Sasha Siemel Tiger Van Dorn Reginald Denny Ralph Marshall Esther Ralston Valerie Shields Charlotte Henry Dorothy Elliott William Bakewell Tom Banning Clarence Muse Lightning Willie Fung Chiang-Houseboy LeRoy Mason Jim Murphy Matthew Betz Inspector Starrett Richard Tucker Robert Banning Duncan Renaldo Armand Roget Fred Kohler Jr. John Charles Sherwood Bailey Paul Marshall Harry 'Snub' Pollard Campbell George Rosener Professor Gertrude Sutton Mrs. Maitland John St. Polis Chandler Elliott John Davidson Doctor Coleman Milburn Morante Singapore Joe Dirk Thane Joe Nolan Robert Warwick Angus MacLeod Dahlam Ali Hardy's Assistant Jim Corey Henchman Paul Ellis Greenway Henry Hale Jackson Harry Harvey Roget Clerk #1 Reed Howes Sailor Jack Ingram Undercover Detective at Dive Tom London Detective Interrogating Pete Merrill McCormick Peters Blackie Whiteford Henchman Roger Williams Henchman 스텝 Harry L. Fraser Directing George Melford Writing George M. Merrick Writing George Melford Directing Sherman L. Lowe Writing Arthur Hoerl Writing George Rosener Writing Harry O. Hoyt Writing Earl Turner Editing Carl Mathews Crew George Magrill Crew Eddie Parker Crew Dallas M. Fitzgerald Writing Louis Weiss Production Gordon Griffith Writing Lee Zahler Sound Edward Linden Camera T.T. Triplett Sound Herman Schopp Camera Corson Jowett Sound