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

Ellis Dayle

Alfred Peters (as Ellis Dale)

Catherine Willmer

Louise Peters

Jenny Lee Wright

Carol Clayton

Julie Crosthwaite

Ellen

John Garrie

Inspector Harper

Ian Thompson

Bradshaw

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)

Jim Clark

Director

Milton Subotsky

Producer

Greg Morrison

Screenplay

Samuel Z. Arkoff

Executive Producer

Ken Levison

Screenplay

Max Rosenberg

Producer

Pat Green

Production Manager

Douglas Gamley

Music

John Siddall

Assistant Art Director

John Dark

Associate Producer

George Blackler

Makeup Artist

Allan James

First Assistant Director

Bill Waldron

Construction Manager

Ray Parslow

Cinematography

Rose Tobias Shaw

Casting

Clive Smith

Editor

Helen Lennox

Hairdresser

Tony Curtis

Art Direction

Ken Coles

Camera Operator

Michael Green

Third Assistant Director

Norman Kerss

Special Effects

Ruggero Salvadori

Production Manager

Roy Spencer

Special Effects

Danny Daniel

Sound Recordist

Ian Smith

Clapper Loader

Peter Horrocks

Sound Editor

Gerry Humphreys

Sound Recordist

Nigel Wooll

Second Assistant Director

Dulcie Midwinter

Wardrobe Master

Lorna Selwyn

Continuity