Sidney Toler

Charlie Chan

Benson Fong

Tommy Chan

Mantan Moreland

Birmingham Brown

James Cardwell

Ned Stewart

Joan Barclay

Paula Webb

Walter Fenner

Police Inspector Harry Davis

Roy Gordon

Walter Fletcher

Arthur Loft

Bradford Harris

Addison Richards

John Adams

Janet Warren

Record Machine Operator

Gene Roth

Morgan

Joe Devlin

Taylor