Cast
- Bela Lugosi as Victor Poten
- Bruce Bennett as Martin Andrews
- Joan Barclay as Joan Whiting
- Luana Walters as Sonya Rokoff - aka The Dragon Lady [Chs. 1-14]
- Maurice Liu as Willy Fu
- Charles King as Grogan - Henchman [Chs. 1-13]
- William Buchanan as Healy - Henchman
- Forrest Taylor as Police Capt. Walters [Chs. 1-7, 12-15]
- John Cowell as White Chinaman [Ch. 1]
- James B. Leong as Wong [Chs. 5-13]
Crew
- Robert F. Hill · Director
- Robert F. Hill · Writer
- William Buchanan · Writer
- William Hyer · Cinematographer
- Charles Henkel Jr. · Editor