'Smilin' Jack' Martin

Janet Thompson

Trudy Muller, aka Fraulein von Teufel

Captain Wing

Tommy Thompson

Mah Ling / Han Po, his double

Wu Tan

Kageyama [Chs. 1-5, 12-13]

General Kai Ling [Chs. 1-5, 13]

Kushimi, infiltrator [Chs. 1-3, 12-13]

Henchman Hito [Chs 1, 4, 12-13]

The Lo-San [Chs. 2-3, 12-13]

Hon. George Hill [Chs. 8-12]

Secretary of Internal Affairs [Chs. 8-12]

Captain Yoshido [Chs. 1-3]

Shuma, pilot [Chs. 1-3]

Capt. Hardigan [Chs. 5-6]

Sir Cedric [Chs. 5-7]

Commissioner Robert George Hardy [Chs. 5-7]

Sanson, phoney waiter [Chs. 6-7]

Herr Bauer [Chs. 6-7]