Rod La Rocque

Jaime Emmanuel Alvarado Montez

Jeanette Loff

Helen Bradbury

Hugh Allan

Jack Bradbury

Joseph Cawthorn

Professor George Bradbury

Tom Kennedy

Detective

Jerry Mandy

Jaime's Valet

Lawrence Grant

Don Alvarado Montez

Oscar Smith

Black Butler

Scott Seaton

Minor Role

Edward H. Griffith