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

TV Interviewer

Barry Dennen

Gerry Blount

Ellis Dale

Alfred Peters

Catherine Willmer

Louise Peters

Jenny Lee Wright

Carol Clayton

Julie Crosthwaite

Ellen

Ian Thompson

Bradshaw

John Garrie

Inspector Harper

Peter Halliday

Psychiatrist

Basil Rathbone

Basil (archive footage)

Boris Karloff

(archive footage)

Hyma Beckley

Passenger on Quayside (uncredited)

George Blackler

George the Make-Up Artist (uncredited)

Robert Cawdron

CID Inspector (uncredited)

Michael Craze

Reporter (uncredited)

David Jackson

Police Sergeant (uncredited)

Patrick Jordan

Ship's Steward (uncredited)

Earl Rhodes

Boy Fishing (uncredited)

Pam Rose

Pretty Blonde (uncredited)

Christopher Sandford

Reporter (uncredited)

Reg Thomason

Hollywood Party Guest (uncredited)