Sidney Toler

Charlie Chan

Fortunio Bonanova

Insp. Luis Carvero

Benson Fong

Tommy Chan

Robert Emmett Keane

Alfred Wyans (as Robert E. Keane)

Willie Best

Chattanooga Brown

Carol Hughes

Marguerite Fontain

Marjorie Hoshelle

Countess Irena Masak

Barton Yarborough

Joseph Brandish

George Meeker

Edmond Slade

Don Costello

Charles Masack

Charles Trowbridge

Prentiss

Mildred Boyd

Josephine

Barbara Jean Wong

Iris Ling (as Jean Wong)

Donald D. Taylor

Walter Dorn (as Donald Dexter Taylor)