"American tourists David and Jack are savaged by an unidentified vicious animal whilst hiking on the Yorkshire Moors. Retiring to the home of a beautiful nurse to recuperate, David soon experiences disturbing changes to his mind and body."
David Naughton
as David Kessler
Jenny Agutter
as Nurse Alex Price
Griffin Dunne
as Jack Goodman
John Woodvine
as Dr. J. S. Hirsch
Don McKillop
as Inspector Villiers
Brian Glover
as Chess Player
David Schofield
as Dart Player
Lila Kaye
as Barmaid
Rik Mayall
as Second Chess Player
Sean Baker
as 2nd Dart Player
Frank Oz
as Mr. Collins
Paul Kember
as Sergeant McManus
Joe Belcher
as Truck Driver
Paddy Ryan
as First Werewolf
Anne-Marie Davies
as Nurse Susan Gallagher
Colin Fernandes
as Benjamin
Albert Moses
as Hospital Porter
Michele Brisigotti
as Rachel Kessler
Mark Fisher
as Max Kessler
Gordon Sterne
as Mr. Kessler
Paula Jacobs
as Mrs. Kessler
Claudine Bowyer
as Creepy Little Girl
Johanna Crayden
Nina Carter
as Naughty Nina
Geoffrey Burridge
as Harry Berman
Brenda Cavendish
as Judith Browns
Christopher Scoular
as Sean
Mary Tempest
as Sean's Wife
Cynthia Powell
as Sister Hobbs
Sydney Bromley
as Alf
Frank Singuineau
as Ted
Will Leighton
as Joseph
Michael Carter
as Gerald Bringsley
Elizabeth Bradley
as Woman in Zoo
Rufus Deakin
as Little Boy with Balloons
Lesley Ward
as Little Boy's Mother
George Hilsdon
as News-vendor
Gerry Lewis
as Man in Bus Queue
Dennis Fraser
as 2nd Man in Bus Queue
Alan Ford
as Taxi Driver
Peter Ellis
as Bobby in Trafalgar Square
Denise Stephens
as Girl in Trafalgar Square
Christine Hargreaves
as Ticket Lady
Lucien Morgan
as Lance Boyle ("See You Next Wednesday" Cast)
Dave Cooper
as Chris Bailey ("See You Next Wednesday" Cast)
Susan Spencer
as Georgia Bailey ("See You Next Wednesday" Cast)
Bob Babenia
as Usher
Ken Sicklen
as Bobby at Cinema
John Salthouse
John Altman
as Assorted Police
Keith Hodiak
John Owens
Roger Rowland
Linzi Drew
as Brenda Bristols
John Cannon
as Villager (uncredited)
George Oliver
as Man in Cinema (uncredited)
John Landis
as Man Smashed into Window (uncredited)
Simon van Collem
as Shop Owner (uncredited)
Director
George Folsey Jr.
Producer
Elmer Bernstein
Original Music Composer
Robert Paynter
Director of Photography
Malcolm Campbell
Editor
Debbie McWilliams
Casting
Leslie Dilley
Art Direction
Deborah Nadoolman Landis
Costume Design
Robin Grantham
Makeup Artist
Joyce Herlihy
Production Manager
John Poyner
Sound Editor
Martin Gutteridge
Special Effects
Roy Alon
Stunts
Screenplay
Rick Baker
Makeup Effects
Donald Banks
Sound Assistant
Greg Powell
Tracey Eddon
Marc Boyle
Sue Crosland
Dickey Beer
Ken Barker
Sadie Eden
Peter Diamond
Terry Forrestal
Clive Curtis
Nick Hobbs
Frank Henson
Billy Horrigan
Romo Gorrara
Fred Haggerty
Gareth Milne
Carl La Fong
Arthur Howell
Terence Plummer
Valentino Musetti
Doug Robinson
Tony Smart
Ken Sheppard
Rocky Taylor
Nick Wilkinson
Paul Weston
Colin Skeaping
Vic Armstrong
John Roberts
Painter
Ray Freeborn
Location Manager
Jon Peters
Executive Producer
Peter Guber
Simon Battersby
Assistant Editor
Clive Hartley
Anna Ksiezopolska
Steven Maguire
Jonathan Lucas
Beryl Lerman
Roy Benson
Assistant Sound Editor
Rocky Phelan
Don Sharpe
Ivan Sharrock
Sound Mixer
Ken Weston
Boom Operator
Rowland Fowles
Richard Lightman
Special Sound Effects
Ian Hickinbotham
Wardrobe Master
Michael Clifford
Music Editor
Peter Childs
Assistant Art Director
Len Furey
Construction Manager
Fred Gunning
Supervising Carpenter
Bill Hargreaves
Props
Derek Ixer
Dressing Prop
Dave Jordan
Property Master
Keith Pain
Simon Wakefield
Set Dresser
Jim Passon
Color Timer