Directed by Harry Bromley Davenport
Produced by Mark Forstater
Executive Producer : Robert Shaye
Story : Harry Bromley Davenport, Michel Parry
Written by Iain Cassie, Robert Smith
Cinematography by John Metcalfe
Film Editing by Nicolas Gaster
Music by Harry Bromley Davenport, Shelton Leigh Palmer
Art Direction by Andrew Mollo
Special Effects Supervisor : Tom Harris
Special Effects : Richard Gregory, Ray Harris
Special Effects Makeup : John Webber
Creature Effects : Francis Coates
Mechanical Effects : Tom Harris
Cast
Philip Sayer (Sam Phillips)
Bernice Stegers (Rachel Phillips)
Danny Brainin (Joe Daniels)
Maryam d'Abo (Analise Mercier)
Simon Nash (Tony Phillips)
Peter Mandell (Clown)
David Cardy (Michael)
Anna Wing (Mrs. Goodman)
Robert Fyfe (Doctor)
Katherine Best (Jane)
Robert Pereno (Ben)
Tok (Commando)
Tik (Monster)
Susie Silvey (Woman in Cottage)
Anna Mottram (Teacher)
Arthur Whybrow (Mr. Knight)
Robert Austin (Van Driver)
Vanya Seager (Paula Phillips)