Lifeforce

Nicholas Ball as Roger Derebridge Nancy Paul as Ellen Donaldson Jerome Willis as Pathologist Katherine Schofield as Prime Minister's Secretary Chris Jagger as First Vampire John Larroquette as Narrator (uncredited) John Hallam as Lamson John Woodnutt as Metallurgist Sidney Kean as Brash Guard Steve Railsback as Col. Tom Carlsen Michael Gothard as Dr. Bukovsky Derek Benfield as Physician Peter Porteous as Prime Minister Patrick Stewart as Dr. Armstrong Aubrey Morris as Sir Percy Heseltine Peter Firth as Col. Colin Caine Frank Finlay as Dr. Hans Fallada Mathilda May as Space Girl

Tracey Eddon Stunts Andy Bradford Stunts Olaf Pooley Screenplay Alf Joint Stunts Ray Ford Stunts Chris Webb Stunts Michael Kamen Additional Music Michael Armstrong Screenplay John Dykstra Visual Effects Tobe Hooper Director Dickey Beer Stunts Menahem Golan Producer Yoram Globus Producer Alan Hume Director of Photography Don Jakoby Screenplay Dan O'Bannon Screenplay Henry Mancini Original Music Composer