Col Tom Llewellyn

Ian Hendry

Dr. David Neville

Alan Badel

Diana Looran

Sheila Allen

Minister of Defense

Ralph Michael

Prof. Gruber

Martin Miller

Commander

Patrick Wymark

Harib

Harold Goldblatt

Mrs. Robbin

Bessie Love

General Miller

Tom Bowman

Andre Mikhelson

Peter Thompson

Mr. Davidson

Patrick White

Susan Eliot

Barbara Ferris

Jack Berg

Eddie Boyce

Ian Cullen

Joe Dunne

Ernest Fennemore

Patrick Halpin

Philip Johns

Annette Kerr

Arnold Lee

Martin Lyder

Colin Webster

Alfred Burke

Frank Maher

Terence Maidment

Richard Marner

Leo McKern

Tony O'Leary

Bill Rayment

Michael Robbins

Paul

Clive Powell

Mi Ling

Yoke-Moon Lee

Nina

Roberta Rex

Aga Nagalo

Gerald del Sol

Rashid

Mahdu Mather

Mark Robbin

Frank Summerscale

Casting

Irene Howard

Novel

John Wyndham

Screenplay

John Briley

Director

Anton Leader

Special Effects

Tom Howard

Executive Producer

Lawrence P. Bachmann

Editor

Ernest Walter

Associate Producer

Ben Arbeid

Original Music Composer

Ron Goodwin

Director of Photography

Davis Boulton

Art Direction

Elliot Scott

Assistant Director

Ted Sturgis