Anton Leader
Director
John Briley
Screenplay
John Wyndham
Novel
Tom Howard
Special Effects
Lawrence P. Bachmann
Executive Producer
Ben Arbeid
Associate Producer
Ron Goodwin
Original Music Composer
Davis Boulton
Director of Photography
Ernest Walter
Editor
Irene Howard
Casting
Elliot Scott
Art Direction
Ted Sturgis
Assistant Director
Ian Hendry
Col Tom Llewellyn
Alan Badel
Dr. David Neville
Barbara Ferris
Susan Eliot
Alfred Burke
Colin Webster
Clive Powell
Paul
Yoke-Moon Lee
Mi Ling
Roberta Rex
Nina
Gerald del Sol
Aga Nagalo
Mahdu Mather
Rashid
Frank Summerscale
Mark Robbin
Sheila Allen
Diana Looran
Ralph Michael
Minister of Defense
Martin Miller
Prof. Gruber
Patrick Wymark
Commander
Harold Goldblatt
Harib
Bessie Love
Mrs. Robbin
Tom Bowman
General Miller
Andre Mikhelson
Peter Thompson
Patrick White
Mr. Davidson
Jack Berg
Eddie Boyce
Ian Cullen
Joe Dunne
Ernest Fennemore
Patrick Halpin
Philip Johns
Annette Kerr
Arnold Lee
Martin Lyder
Frank Maher
Terence Maidment
Richard Marner
Leo McKern
Tony O'Leary
Bill Rayment
Michael Robbins
