Paul Toombes

Vincent Price

Herbert Flay

Peter Cushing

Oliver Quayle

Robert Quarry

Faye Carstairs Flay

Adrienne Corri

Julia Wilson

Natasha Pyne

Elizabeth Peters

Linda Hayden

T.V. Interviewer

Michael Parkinson

Gerry Blount

Barry Dennen

Alfred Peters (as Ellis Dale)

Ellis Dayle

Alfred Peters

Ellis Dale

Inspector Harper

John Garrie

Louise Peters

Catherine Willmer

Carol Clayton

Jenny Lee Wright

Ellen

Julie Crosthwaite

Bradshaw

Ian Thompson

Carol

Jenny Wright

Basil (archive footage)

Basil Rathbone

(archive footage)

Boris Karloff

Psychiatrist

Peter Halliday

(archive footage)

Bela Lugosi

Louise Peters

Catherine Wilmer

Passenger on Quayside (uncredited)

Hyma Beckley

CID Inspector (uncredited)

Robert Cawdron

Reporter (uncredited)

Michael Craze

Police Sergeant (uncredited)

David Jackson

Ship's Steward (uncredited)

Patrick Jordan

Boy Fishing (uncredited)

Earl Rhodes

Pretty Blonde (uncredited)

Pam Rose

Reporter (uncredited)

Christopher Sandford

Hollywood Party Guest (uncredited)

Reg Thomason