Marshall Thompson

Major Jeff Cummings

Kynaston Reeves

Prof. R. E. Walgate

Kim Parker

Barbara Griselle

Stanley Maxted

Col. Butler

Terry Kilburn

Capt. Al Chester

James Dyrenforth

Mayor Hawkins

Robert MacKenzie

Const. Howard Gibbons

Peter Madden

Dr. Bradley

Gil Winfield

Dr. Warren

Michael Balfour

Sgt. Kasper

Launce Maraschal

Melville

Meadows White

Ben Adams

E. Kerrigan Prescott

Atomic Engineer

Lala Lloyd

Amelia Adams

Shane Cordell

Nurse

Sheldon Allan

Sentry (uncredited)

Alexander Archdale

Minister (uncredited)

Eddie Boyce

Jacques Griselle (uncredited)

Victor Hagan

Villager (uncredited)

Victor Harrington

Villager (uncredited)

Jack Hetherington

Sergeant in Office (uncredited)

Richard Neller

Townsman (uncredited)

Tom Watson

Technical Sergeant (uncredited)

Arthur Crabtree

Director

Douglas Hickox

Asistente de Dirección

Hazel Swift

Continuity

Herbert J. Leder

Guión, Guión Adaptado

Amelia Reynolds Long

Guión, Historia

Lionel Banes

Director de Fotografía

Leo Rogers

Camera Operator

Buxton Orr

Compositor de la Música Original

Terry Poulton

Sound Editor

Frederic Lewis

Conductor

John Croydon

Productor

Producers Associates

Compañía de Produccion

Ronald Kinnoch

Co-Productor, Production Manager

Richard Gordon

Productor Ejecutivo

Charles F. Vetter

Productor Ejecutivo

Barbara Barnard

Estilista

Jim Hydes

Maquilladora

Anna Duse

Costume Supervisor

Richard Q. McNaughton

Editor

John Elphick

Set Designer

Peter Neilson

Special Effects

Flo Nordhoff

Special Effects

Karl-Ludwig Ruppel

Special Effects

Martin Curtis

Second Unit

Peter T. Davies

Sound Recordist