David Maclean

Dr. Stuart Kelston

Dr. Pat Blake, MD

Mr. George MacLean

Mrs. Mary MacLean

Col. Fielding

Police Sgt. Mack Finlay

Police Chief A.C. Barrows

Army Sgt. Rinaldi

Lt. Blair

Army Capt. Roth

Officer Jackson

Officer Blaine

Mrs. Wilson

Kathy Wilson

Mr. Turner

Kelston's Secretary

MP

Major Clary

The Martian Intelligence

Mutant Carrying David to 'Intelligence'

Second Mutant Guarding the "Intelligence"

Jim the Gas Station Attendant

Pentagon Chief of Staff

Dr. William Wilson

Sgt. Baker

Col. Mayberry

Brainard (bit)

Director

Original Music Composer

Director of Photography

Editor

Makeup Artist

Producer

Associate Producer

Art Direction

Screenplay

Visual Effects

Story

Hairstylist

Production Design

Matte Painter

Set Dresser

Special Effects Makeup Artist

Special Effects

Script Supervisor

Second Assistant Director

Sound

Production Manager

Mechanical & Creature Designer

Assistant Director

Matte Painter