演员阵容
Jimmy Hunt
David MacleanArthur Franz
Dr. Stuart KelstonHelena Carter
Dr. Pat BlakeLeif Erickson
Mr. George MacLeanHillary Brooke
Mrs. Mary MacLeanMorris Ankrum
Col. FieldingWalter Sande
Police Sgt. Mack FinlayBert Freed
Police Chief A.C. BarrowsMax Wagner
Army Sgt. RinaldiCharles Gibb
Lt. BlairMilburn Stone
Army Capt. RothDouglas Kennedy
Officer JacksonCharles Cane
Officer BlaineFay Baker
Mrs. WilsonJanine Perreau
Kathy WilsonJohn Eldredge
Mr. TurnerBarbara Billingsley
Kelston's SecretaryGil Herman
Major ClaryLuce Potter
The Martian IntelligenceLock Martin
Mutant Carrying David to 'Intelligence'Max Palmer
Second Mutant Guarding the "Intelligence"Todd Karns
Jim the Gas Station AttendantFrank Wilcox
Pentagon Chief of StaffRobert Shayne
Dr. William WilsonWilliam Phipps
Sgt. BakerWilliam Forrest
Col. MayberryPeter Brocco
Brainard (bit)艺术
工作人员
Jack Cosgrove
Special Effects音响
Earl Crain Sr.
SoundRaoul Kraushaar
Original Music Composer摄影
John F. Seitz
Director of Photography剪辑
Arthur Roberts
Editor编剧
John Tucker Battle
StoryRichard Blake
Screenplay导演
William Cameron Menzies
DirectorLeonard Kunody
Second Assistant DirectorBen Chapman
Assistant DirectorMary Yerke
Script Supervisor制片
Edward L. Alperson
ProducerEdward L. Alperson Jr.
Associate ProducerBen Chapman
Production Manager视效
Jack Cosgrove
Visual EffectsIrving Block
Matte PainterJack Rabin
Matte PainterHoward Lydecker
Mechanical & Creature Designer服装与化妆