Ηθοποιοί επεισοδίου
Γουίλιαμ ΣάτνερJames T. Kirk
Leonard NimoySpock
DeForest KelleyDr. McCoy
James DoohanScott
Τζορτζ ΤακέιSulu
Nichelle NicholsUhura
Gary LockwoodLt. Cmdr. Gary Mitchell
Eddie PaskeyLieutenant Leslie (uncredited)
Paul FixDr. Piper
Paul CarrLt. Lee Kelso
Lloyd HaynesAlden
Andrea DrommYeoman Smith
Sally KellermanDr. Elizabeth Dehner
Bill BlackburnLieutenant Hadley (voice)
Συντελεστές
Samuel A. PeeplesWriterJames GoldstoneDirectorRolland M. BrooksArt DirectionAlexander CourageMusicWalter M. JefferiesProduction DesignErnest HallerDirector of PhotographyWilliam Ware TheissCostume DesignJohn M. FoleyEditorRobert DawnMakeup ArtistBob OverbeckSpecial EffectsJoseph G. SorokinSound EditorCameron McCullochSound MixerRoss DowdSet DecorationHazel KeatsHairstylist