Lewis D. Collins
Director
Ray Taylor
Director
Morgan Cox
Screenplay
Charles Carroll
Sound
Tom Brown
'Smilin' Jack' Martin
Marjorie Lord
Janet Thompson
Rose Hobart
Trudy Muller, aka Fraulein von Teufel
Keye Luke
Captain Wing
Edgar Barrier
Tommy Thompson
Cyril Delevanti
Mah Ling / Han Po, his double
Philip Ahn
Wu Tan
Turhan Bey
Kageyama [Chs. 1-5, 12-13]
Sidney Toler
General Kai Ling [Chs. 1-5, 13]
Jay Novello
Kushimi, infiltrator [Chs. 1-3, 12-13]
Rico De Montez
Henchman Hito [Chs 1, 4, 12-13]
Nigel De Brulier
The Lo-San [Chs. 2-3, 12-13]
Edward Keane
Hon. George Hill [Chs. 8-12]
William Forrest
Secretary of Internal Affairs [Chs. 8-12]
Jack Gardner
Captain Yoshido [Chs. 1-3]
Terry Grey
Shuma, pilot [Chs. 1-3]
Stanley Blystone
Capt. Hardigan [Chs. 5-6]
Herbert Heyes
Sir Cedric [Chs. 5-7]
James Craven
Commissioner Robert George Hardy [Chs. 5-7]
Alex Havier
Sanson, phoney waiter [Chs. 6-7]
Paul Bryar
Herr Bauer [Chs. 6-7]
Norma Drury
Frau Bauer [Chs. 6-7]
Grace Cunard
Second German Woman Spy [Chs. 6-7]
David Hoffman
John O. Blenker [Chs. 9-11]
Edward Peil Sr.
Freighter Captain [Chs. 7-8]
Wheeler Oakman
Freighter Mate [Chs. 7-8]
Frederick Giermann
Schlesser, device expert [Chs. 10-11]
Bert Freeman
Shimoto, device operator [Chs. 10-11]
Harry Strang
Honolulu Detective-in-charge [Chs. 10-12]
