Sidney Toler

Charlie Chan

Victor Sen Yung

Jimmy Chan

C. Henry Gordon

Dr. Cream

Marc Lawrence

Steve McBirney

Eddie Marr

Henchman Grenock

Charles Wagenheim

Willie Fern

Joan Valerie

Lily Latimer

Marguerite Chapman

Mary Bolton

Hilda Vaughn

Mrs. Joe Rocke

Harold Goodwin

Edwards

Ted Osborne

Tom Agnew

Archie Twitchell

Carter Lane

Michael Visaroff

Otto Von Brom

Joe King

Inspector O'Matthews

Charles Trowbridge

Judge

Lynn Shores