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