Warner Oland
Charlie Chan
Katherine DeMille
Yvonne Roland
Pauline Moore
Betty Adams
Allan Lane
Richard Masters
Keye Luke
Lee Chan
C. Henry Gordon
Arthur Hughes
John Eldredge
Mr. Cartwright
Layne Tom Jr.
Charlie Chan Jr
Jonathan Hale
Mr. Hopkins
Morgan Wallace
Honorable Charles Zaraka
Frederick Vogeding
Inspector Strasser
Andrew Tombes
Chief of Homicide E. R. Scott
Howard Hickman
Police Doctor
Arno Frey
Carlos, Zaraka's Henchman
