Sidney Toler as Charlie Chan

Frances Chan as Frances Chan

Mantan Moreland as Birmingham Brown

Joseph Crehan as Police Sgt. Matthews

Ralph Peters as Officer Rafferty

Jacqueline deWit as Justine Bonner

Helen Beverly as Norma Duncan aka Nancy Wood

Harry Depp as Charles Edwards

Frank Jaquet as Paul Hamlin

Geraldine Wall as Harriet Green

Charles Jordan as Tom Starkey

Claudia Dell as Vera Starkey

Dick Gordon as William Bonner (as Richard Gordon)

Darby Jones as Johnson

Edward Earle as Dawson, Police Lab