Charlie Chan

Insp. Luis Carvero

Tommy Chan

Alfred Wyans (as Robert E. Keane)

Chattanooga Brown

Marguerite Fontain

Countess Irena Masak

Joseph Brandish

Edmond Slade

Charles Masack

Prentiss

Josephine

Iris Ling (as Jean Wong)

Walter Dorn (as Donald Dexter Taylor)