Hugh Williams as Nick Barclay

Jane Baxter as Lady June Slade

Ronald Ward as Jimmy Slade

Maurice Schwartz as The Master

George Merritt as Det. Insp. Mallory

Henry Oscar as Interpol Detective

Donald Calthrop as Dr. Harold E. Walpole

Kitty Kelly as Marian Weeks

Wilfrid Caithness as Raines - the butler

Peter Gawthorne as Lord Slade

Gerald Fielding as Harrah

Reginald Tate as Allan Hayden

Moyra Fagan as Nada

Ivor Barnard as Hewitt

Barbara Everest as Lady Slade

Hal Gordon as Sergeant

Syd Crossley as Policeman

Henry Caine as Beetson - Nick's Butler

Esma Cannon as Waitress

Cameron Hall as Cast Member