Vincent Price as Dr. Anton Phibes

Robert Quarry as Darius Biederbeck

Valli Kemp as Vulnavia

Hugh Griffith as Harry Ambrose

John Thaw as Shavers

Keith Buckley as Stewart

Lewis Fiander as Baker

Gerald Sim as Hackett

Milton Reid as Manservant - Cheng

Peter Jeffrey as Inspector Trout

John Cater as Superintendent Waverly

Peter Cushing as Ship's Captain

Beryl Reid as Miss Ambrose

Terry-Thomas as Lombardo

Fiona Lewis as Diana Trowbridge

Caroline Munro as Victoria Phibes (uncredited)

John Comer as Ship's Officer

Gary Owens as