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

Reżyseria

Herbert J. Leder

Scenariusz

Buxton Orr

Kompozycja

Lionel Banes

Zdjęcia

John Croydon

Produkcja