Tom Brown

~ as ~

'Smilin' Jack' Martin

Marjorie Lord

~ as ~

Janet Thompson

Rose Hobart

~ as ~

Trudy Muller, aka Fraulein von Teufel

Keye Luke

~ as ~

Captain Wing

Edgar Barrier

~ as ~

Tommy Thompson

Cyril Delevanti

~ as ~

Mah Ling / Han Po, his double

Philip Ahn

~ as ~

Wu Tan

Turhan Bey

~ as ~

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

Sidney Toler

~ as ~

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

Jay Novello

~ as ~

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