Ralph Bates

Dr. Jekyll

Martine Beswick

Sister Hyde

Gerald Sim

Professor Robertson

Lewis Fiander

Howard

Susan Brodrick

Susan

Dorothy Alison

Mrs. Spencer

Susan Brodick

Ivor Dean

Burke

Philip Madoc

Byker

Irene Bradshaw

Yvonne

Neil Wilson

Older Policeman

Paul Whitsun-Jones

Sergeant Danvers

Tony Calvin

Hare

Dan Meaden

Town Crier

Virginia Wetherell

Betsy

Geoffrey Kenion

1st Policeman

Bobby Parr

Young Apprentice

John Lyons

Sailor

Roy Ward Baker

Director

Brian Clemens

Guión, Guión Adaptado

Robert Louis Stevenson

Novela

Norman Warwick

Director de Fotografía

Godfrey A. Godar

Camera Operator

David Whitaker

Compositor de la Música Original

Charles Crafford

Sound Editor

Philip Martell

Music Supervisor

Bill Rowe

Sound

Brian Clemens

Productor

Albert Fennell

Productor

Hammer Productions

Compañía de Produccion

James Liggat

Casting

Don Weeks

Production Manager

Roy Skeggs

Supervisor de Producción

Bernadette Ibbetson

Estilista

Trevor Crole-Rees

Maquilladora

John Wilcox

Maquilladora

Rosemary Burrows

Diseño de Vestuario, Wardrobe Supervisor

James Needs

Editor

Robert Jones

Diseño de Producción