Warner Oland

~ as ~

Charlie Chan

Drue Leyton

~ as ~

Paula Graham

Donald Woods

~ as ~

Bob Crawford

Paul Harvey

~ as ~

J.P. Madden / Jerry Delaney

Murray Kinnell

~ as ~

Martin Thorne

Reginald Mason

~ as ~

Alexander Crawford

Virginia Hammond

~ as ~

Mrs. Sally Jordan

Si Jenks

~ as ~

Will Holley

Harvey Clark

~ as ~

Prof. Gamble

Jerry Jerome

~ as ~

Maydorf