A movie serial in 12 chapters: The famous comic strip character is on a mission to protect a secret tunnel passage between China and India.
as 'Smilin' Jack' Martin
as Janet Thompson
as Trudy Muller, aka Fraulein von Teufel
as Captain Wing
as Tommy Thompson
as Mah Ling / Han Po, his double
as Wu Tan
as Kageyama [Chs. 1-5, 12-13]
as General Kai Ling [Chs. 1-5, 13]
as Kushimi, infiltrator [Chs. 1-3, 12-13]
as Henchman Hito [Chs 1, 4, 12-13]
as The Lo-San [Chs. 2-3, 12-13]
as Hon. George Hill [Chs. 8-12]
as Secretary of Internal Affairs [Chs. 8-12]
as Captain Yoshido [Chs. 1-3]
as Shuma, pilot [Chs. 1-3]
as Capt. Hardigan [Chs. 5-6]
as Sir Cedric [Chs. 5-7]
as Commissioner Robert George Hardy [Chs. 5-7]
as Sanson, phoney waiter [Chs. 6-7]
as Herr Bauer [Chs. 6-7]
as Frau Bauer [Chs. 6-7]
as Second German Woman Spy [Chs. 6-7]
as John O. Blenker [Chs. 9-11]
as Freighter Captain [Chs. 7-8]
as Freighter Mate [Chs. 7-8]
as Schlesser, device expert [Chs. 10-11]
as Shimoto, device operator [Chs. 10-11]
as Honolulu Detective-in-charge [Chs. 10-12]
