Character Name : Major Jeff Cummings

Original Name : Marshall Thompson

Gender : Male

Character Name : Prof. R. E. Walgate

Original Name : Kynaston Reeves

Gender : Male

Character Name : Barbara Griselle

Original Name : Kim Parker

Gender : Female

Character Name : Col. Butler

Original Name : Stanley Maxted

Gender : Male

Character Name : Capt. Al Chester

Original Name : Terry Kilburn

Gender : Male

Character Name : Mayor Hawkins

Original Name : James Dyrenforth

Gender : Male

Character Name : Const. Howard Gibbons

Original Name : Robert MacKenzie

Gender : Male

Character Name : Dr. Bradley

Original Name : Peter Madden

Gender : Male

Character Name : Dr. Warren

Original Name : Gil Winfield

Gender : Male

Character Name : Sgt. Kasper

Original Name : Michael Balfour

Gender : Male

Character Name : Melville

Original Name : Launce Maraschal

Gender : Male

Character Name : Ben Adams

Original Name : Meadows White

Gender : Male

Character Name : Atomic Engineer

Original Name : E. Kerrigan Prescott

Gender : Male

Character Name : Amelia Adams

Original Name : Lala Lloyd

Gender : Female

Character Name : Nurse

Original Name : Shane Cordell

Gender : Female

Character Name : Sentry (uncredited)

Original Name : Sheldon Allan

Gender : Male

Character Name : Minister (uncredited)

Original Name : Alexander Archdale

Gender : Male

Character Name : Jacques Griselle (uncredited)

Original Name : Eddie Boyce

Gender : Male

Character Name : Villager (uncredited)

Original Name : Victor Hagan

Gender : Male

Character Name : Villager (uncredited)

Original Name : Victor Harrington

Gender : Male

Character Name : Sergeant in Office (uncredited)

Original Name : Jack Hetherington

Gender : Male

Character Name : Townsman (uncredited)

Original Name : Richard Neller

Gender : Male

Character Name : Technical Sergeant (uncredited)

Original Name : Tom Watson

Gender : Male