Cast
Charles Trowbridge
Prentiss
Barbara Jean Wong
Iris Ling (as Jean Wong)
Fortunio Bonanova
Insp. Luis Carvero
Robert Emmett Keane
Alfred Wyans (as Robert E. Keane)
Marjorie Hoshelle
Countess Irena Masak
George Meeker
Edmond Slade
Don Costello
Charles Masack
Sidney Toler
Charlie Chan
Benson Fong
Tommy Chan
Willie Best
Chattanooga Brown
Carol Hughes
Marguerite Fontain
Barton Yarborough
Joseph Brandish