All Cast

Marshall Thompson

Marshall Thompson

Major Jeff Cummings

Kynaston Reeves

Kynaston Reeves

Prof. R. E. Walgate

Kim Parker

Kim Parker

Barbara Griselle

Stanley Maxted

Stanley Maxted

Col. Butler

Terry Kilburn

Terry Kilburn

Capt. Al Chester

James Dyrenforth

James Dyrenforth

Mayor Hawkins

Robert MacKenzie

Robert MacKenzie

Const. Howard Gibbons

Peter Madden

Peter Madden

Dr. Bradley

Gil Winfield

Gil Winfield

Dr. Warren

Michael Balfour

Michael Balfour

Sgt. Kasper

Launce Maraschal

Launce Maraschal

Melville

Meadows White

Meadows White

Ben Adams

E. Kerrigan Prescott

E. Kerrigan Prescott

Atomic Engineer

Lala Lloyd

Lala Lloyd

Amelia Adams

Shane Cordell

Shane Cordell

Nurse

Sheldon Allan

Sheldon Allan

Sentry (uncredited)

Alexander Archdale

Alexander Archdale

Minister (uncredited)

Eddie Boyce

Eddie Boyce

Jacques Griselle (uncredited)

Victor Hagan

Victor Hagan

Villager (uncredited)

Victor Harrington

Victor Harrington

Villager (uncredited)

Jack Hetherington

Jack Hetherington

Sergeant in Office (uncredited)

Richard Neller

Richard Neller

Townsman (uncredited)

Tom Watson

Tom Watson

Technical Sergeant (uncredited)