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

John Wyndham

Novel

John Briley

Screenplay

Anton Leader

Director

Tom Howard

Special Effects

Lawrence P. Bachmann

Executive Producer

Ernest Walter

Editor

Ben Arbeid

Associate Producer

Ron Goodwin

Original Music Composer

Irene Howard

Casting

Davis Boulton

Director of Photography

Elliot Scott

Art Direction

Ted Sturgis

Assistant Director

Lawrence P. Bachmann Productions

Metro-Goldwyn-Mayer British Studios

GB