American tourists David and Jack are savagely attacked by an unidentified animal while hiking on the Yorkshire Moors. After retiring to the home of a beautiful nurse to recuperate, David soon begins experiencing disturbing changes to his body and mind.
David Naughton
David Kessler
Jenny Agutter
Nurse Alex Price
Griffin Dunne
Jack Goodman
John Woodvine
Dr. J.S. Hirsch
Don McKillop
Inspector Villiers
Brian Glover
Chess Player
David Schofield
Dart Player
Lila Kaye
Barmaid
