Vincent Price

Dr. Anton Phibes

Robert Quarry

Darius Biederbeck

Valli Kemp

Vulnavia

Hugh Griffith

Harry Ambrose

John Thaw

Shavers

Keith Buckley

Stewart

Lewis Fiander

Baker

Gerald Sim

Hackett

Milton Reid

Manservant - Cheng

Peter Jeffrey

Inspector Trout

John Cater

Superintendent Waverly

Peter Cushing

Ship's Captain

Beryl Reid

Miss Ambrose

Terry-Thomas

Lombardo

Fiona Lewis

Diana Trowbridge

Caroline Munro

Victoria Phibes (uncredited)

John Comer

Ship's Officer

Gary Owens