William ShatnerJames T. Kirk Walter KoenigPavel Chekov Frank da VinciClifford Brent Eddie PaskeyLieutenant Leslie (uncredited) John WinstonLieutenant Kyle Majel BarrettChristine Chapel Grace Lee WhitneyJanice Rand Barbara BabcockLights of Zetar (voice) Walker EdmistonBalok (voice) (uncredited) Bobby BassGuard (uncredited) Bill BlackburnLieutenant Hadley (uncredited) Tom AnfinsenCrewman (uncredited) Carey FosterEnterprise Crew Member (uncredited) Bart La RueTrelane's Father (voice) (uncredited) Elizabeth RogersLt. Palmer Janos ProhaskaYarnek (uncredited) Bob JohnsonGround Control (voice) (uncredited) Barbara BaldavinAngela Teller Bruce MarsFirst Policeman Roger C. CarmelHarcourt Fenton Mudd Bruce HydeLt. Kevin Thomas Riley Mark LenardRomulan Commander Craig HuxleyTommy Starnes Booker BradshawDr. M'Benga Byron MorrowAdmiral Westervliet Phyllis DouglasYeoman Mears Lev MailerS.S. Lieutenant Morgan WoodwardCaptain Tracy Morgan FarleyYang Scholar Abraham SofaerThasian (voice) Gene DynarskiBen Childress Barry RussoLieutenant Commander Giotto Hagan BeggsLieutenant Hansen Jerry AyresRizzo / O'Herlihy Lois JewellDrusilla the Slave Girl James DrakeSick-Bay Intern (uncredited) Paul BaxleyPoliceman #1 (uncredited) Pete KellettKirk's Henchman Susan OliverVina (archive footage) Marianna HillDr. Helen Noel Ricardo MontalbanKhan Noonien Singh Perry LopezLt. Esteban Rodriguez Arnold MossAnton Karidian Laurel GoodwinYeoman J. M. Colt (archive footage) Stanley AdamsCyrano Jones / Sceneggiatore William MarshallDr. Richard Daystrom Elisha Cook Jr.Samuel Cogley Angelique PettyjohnShahna Leslie ParrishCarolyn Palamas Charles MaxwellVirgil Earp Madlyn RhueMarla McGivers Alfred RyderRobert Crater Robert Walker Jr.Charlie Evans James GregoryDr. Tristan Adams Charles DrakeCommodore Stocker David FrankhamLarry Marvick Gary LockwoodLt. Cmdr. Gary Mitchell BarBara LunaMarlena Moreau Dick DurockElasian Guard #1 Frank OvertonElias Sandoval Johnny HaymerThe Constable Jeffrey HunterCapt. Christopher Pike (archive footage) William WindomCommodore William Decker John GabrielCrewman (uncredited) John CrawfordCommissioner Ferris Elinor DonahueCommissioner Nancy Hedford Jack DonnerSubcommander Tal Roger PerryCaptain John Christopher Logan RamseyProconsul Claudius Marcus Richard WebbLt. Commander Benjamin Finney Georgia SchmidtFirst Talosian (archive footage) Arthur BatanidesLt. D'Amato Percy RodriguezCommodore Stone Glenn CorbettZephram Cochran Katherine WoodvilleNatira Stephen BrooksEnsign Garrovick Barbara AndersonLenore Karidian Lee BergereAbraham Lincoln William SmithersCaptain R.M. Merik John Meredyth LucasRegista / Sceneggiatore / Produttore Herschel DaughertyRegista Gene L. CoonSceneggiatore / Produttore Gene RoddenberrySceneggiatore / Produttore Esecutivo D.C. FontanaSceneggiatore Jerome BixbySceneggiatore David GerroldSceneggiatore Margaret ArmenSceneggiatore Oliver CrawfordSceneggiatore Robert BlochSceneggiatore Arthur HeinemannSceneggiatore Theodore SturgeonSceneggiatore Steven W. CarabatsosSceneggiatore Jean Lisette AroesteSceneggiatore Paul SchneiderSceneggiatore David P. HarmonSceneggiatore Leroy CroninSceneggiatore Shimon WincelbergSceneggiatore George F. SlavinSceneggiatore Arthur SingerSceneggiatore Adrian SpiesSceneggiatore Robert SabaroffSceneggiatore George Clayton JohnsonSceneggiatore Don MankiewiczSceneggiatore Boris SobelmanSceneggiatore Jeremy TarcherSceneggiatore Richard MathesonSceneggiatore Rik VollaertsSceneggiatore Samuel A. PeeplesSceneggiatore Joyce MuskatSceneggiatore Stephen KandelSceneggiatore Meyer DolinskySceneggiatore Robert HamnerSceneggiatore John D. F. BlackSceneggiatore / Produttore Fredric BrownSceneggiatore Edward J. LaksoSceneggiatore Gilbert RalstonSceneggiatore Max Simon EhrlichSceneggiatore Stanley AdamsCyrano Jones / Sceneggiatore Barry TriversSceneggiatore Norman SpinradSceneggiatore Harlan EllisonSceneggiatore Laurence N. WolfeSceneggiatore Chet RichardsSceneggiatore Carey WilberSceneggiatore John KneubuhlSceneggiatore John T. DuganSceneggiatore Robert H. JustmanProduttore Edward K. MilkisProduttore Fred FreibergerProduttore Walter M. JefferiesProduction Design / Director Of Photography John M. DwyerSet Decoration Rolland M. BrooksArt Direction Marvin MarchSet Decoration Joseph J. StoneSet Decoration Carl BiddiscombeSet Decoration William M. JefferiesArt Direction Edward M. ParkerSet Decoration Franz BachelinArt Direction Gerald Perry FinnermanDirector Of Photography Al FrancisDirector Of Photography Ernest HallerDirector Of Photography William E. SnyderDirector Of Photography Keith C. SmithDirector Of Photography William Ware TheissCostume Design Fred B. PhillipsMakeup Artist Virginia DarcyHairstylist Gertrude ReadeHairstylist Michael S. GlickAssistente Regista Rusty MeekAssistente Regista Claude Binyon Jr.Assistente Regista Phil RawlinsAssistente Regista Gil KisselAssistente Regista Gregg PetersAssistente Regista Elliot SchickAssistente Regista Gene De RuelleAssistente Regista Fabien D. TordjmannMontatore Bruce SchoengarthMontatore Robert L. SwansonMontatore Doug GrindstaffSound Effects Editor Joseph G. SorokinSound Mixer Cameron McCullochSound Mixer Stanford HoughtonSound Mixer