The Man Behind the Mask

Nick Barclay

Lady June Slade

Jimmy Slade

The Master

Det. Insp. Mallory

Interpol Detective

Dr. Harold E. Walpole

Marian Weeks

Raines - the butler

Lord Slade

Harrah

Allan Hayden

Nada

Hewitt

Lady Slade

Sergeant

Policeman

Beetson - Nick's Butler

Waitress

Cast Member