Douglas Spencer1st Martian
Pippa ScottLaura Templeton
George MurdockWillie
Moyna MacGillMrs. Williams
Robert WarwickAlexander 'Leadbottom' Mackaye
John A. AlonzoLuís Gallegos
Joe FlynnSteve
Patricia DonahueJanie Williams
William BenedictConklin
Sheldon AllmanAlien
Jim HuttonMajor William Gart
Генри ДжонсJ. Hardy Hempstead
Дагласс ДамбриллMr. Halpert
Джордж Э. СтоунFenwick (uncredited)
Пэт ХинглHorace Maxwell Ford
Роберт СаймонHarvey
Edgar BuchananDoc Bolton
Барбара БэкслиCora Wheeler
Joyce Jameson
Peggy StewartGrace Stockton
Eddie BarthSailor
Charles HerbertTom Rogers
Hardie AlbrightSecretary General
Мэри БэдамSport Sharewood
Dick WesselCharlie
Terry BeckerJagger
Roger DavisDavid Mitchell
Уиллис БучиSamuel Thorne
Dean JaggerEd Lindsay
Джин УиллесEthel McConnell
Вэл ЭвериBartender
Эванс ЭвансMary Lou
Барбара СтюартEdith
James WesterfieldAnthony O'Toole
Geoffrey HorneWilliams - the Alien
Dale IshimotoSergeant Yamazaki
Paul NewlanChief Engineer Hanley
William ReynoldsLt. Fitzgerald
Natalie TrundyEllen Marshall
Leonard StrongThe Hitch-Hiker
Burt MetcalfeDon Martin
Horace McMahonBartender
Will J. WhiteGuard
Дэна ЭндрюсPaul Driscoll
Claudia BryarFrau Nielsen
Doro MerandeSadie
Maggie McNamaraBarbara Blake
Elizabeth HarrowerWoman (uncredited)
Brooke HaywardPaula Harper
Robert EmhardtProfessor Ackerman
Jack ElamAvery
Earle HodginsAgee
Eddie RyderJoseph J. Callahan
Cliff OsmondManolo
Ralph VotrianHanachek
Doris PackerAunt Nedra
Florence Marly
Susan GordonJenny
Род ТейлорClegg Forbes
Wendell HolmesCooper