Monstres invisibles

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

Réalisation

Douglas Hickox

Assistant réalisation

Hazel Swift

Continuity

Herbert J. Leder

Scénario

Amelia Reynolds Long

Original Story

Charles F. Vetter

Production exécutive

Ronald Kinnoch

Production Manager, Coproduction

John Croydon

Production

Richard Gordon

Production exécutive

Lionel Banes

Photographie

Leo Rogers

Cadrage

Martin Curtis

Second Unit Director of Photography

Richard Q. McNaughton

Montage

Buxton Orr

Musique

Terry Poulton

Sound Editor

Frederic Lewis

Conductor

Peter T. Davies

Sound Recordist

John Elphick

Set Designer

Jim Hydes

Maquillage

Barbara Barnard

Coiffure

Anna Duse

Costume Supervisor

Flo Nordhoff

Special Effects

Karl-Ludwig Ruppel

Special Effects

Peter Neilson

Special Effects