Vincent Price

Paul Toombes

Peter Cushing

Herbert Flay

Robert Quarry

Oliver Quayle

Adrienne Corri

Faye

Linda Hayden

Elizabeth Peters

Natasha Pyne

Julia Wilson

Michael Parkinson

T.V. Interviewer

Barry Dennen

Gerry Blount

Catherine Willmer

Louise Peters

Julie Crosthwaite

Ellen

John Garrie

Inspector Harper

Peter Halliday

Psychiatrist

Basil Rathbone

Basil (archive footage)

Boris Karloff

(archive footage)

Michael Craze

Reporter (uncredited)

David Jackson

Police Sergeant (uncredited)

Patrick Jordan

Ship's Steward (uncredited)

Christopher Sandford

Reporter (uncredited)