Character Name : David Maclean

Original Name : Jimmy Hunt

Gender : Male

Character Name : Dr. Stuart Kelston

Original Name : Arthur Franz

Gender : Male

Character Name : Dr. Pat Blake, MD

Original Name : Helena Carter

Gender : Female

Character Name : Mr. George MacLean

Original Name : Leif Erickson

Gender : Male

Character Name : Mrs. Mary MacLean

Original Name : Hillary Brooke

Gender : Female

Character Name : Col. Fielding

Original Name : Morris Ankrum

Gender : Male

Character Name : Police Sgt. Mack Finlay

Original Name : Walter Sande

Gender : Male

Character Name : Police Chief A.C. Barrows

Original Name : Bert Freed

Gender : Male

Character Name : Army Sgt. Rinaldi

Original Name : Max Wagner

Gender : Male

Character Name : Lt. Blair

Original Name : Charles Gibb

Gender : Male

Character Name : Army Capt. Roth

Original Name : Milburn Stone

Gender : Male

Character Name : Officer Jackson

Original Name : Douglas Kennedy

Gender : Male

Character Name : Officer Blaine

Original Name : Charles Cane

Gender : Male

Character Name : Mrs. Wilson

Original Name : Fay Baker

Gender : Female

Character Name : Kathy Wilson

Original Name : Janine Perreau

Gender : Female

Character Name : Mr. Turner

Original Name : John Eldredge

Gender : Male

Character Name : Kelston's Secretary

Original Name : Barbara Billingsley

Gender : Female

Character Name : MP

Original Name : Richard Deacon

Gender : Male

Character Name : Major Clary

Original Name : Gil Herman

Gender : Male

Character Name : The Martian Intelligence

Original Name : Luce Potter

Gender : Male

Character Name : Mutant Carrying David to 'Intelligence'

Original Name : Lock Martin

Gender : Male

Character Name : Second Mutant Guarding the "Intelligence"

Original Name : Max Palmer

Gender : Male

Character Name : Jim the Gas Station Attendant

Original Name : Todd Karns

Gender : Male

Character Name : Pentagon Chief of Staff

Original Name : Frank Wilcox

Gender : Male

Character Name : Dr. William Wilson

Original Name : Robert Shayne

Gender : Male

Character Name : Sgt. Baker

Original Name : William Phipps

Gender : Male

Character Name : Col. Mayberry

Original Name : William Forrest

Gender : Male

Character Name : Brainard (bit)

Original Name : Peter Brocco

Gender : Male