Unnamed ISS Enterprise ( NCC - 1701 ) personnel The following is a list of unnamed personnel Bridge crew . These three crewman performed daily operations on the bridge of the " Enterprise " , including duties at the engineering station . ( ) Bridge guards . These two guards , along with , stood guard on bridge of the " Enterprise " . The second guard stood watch with both the first guard and Lemli . He was especially leering at Uhura during her confrontation with Sulu . ( ) Chekov ' s guards . Chekov ' s guards attempted to kill Captain Kirk on ' s orders in the mirror universe , in order that the entire crew would advance in rank . They were both killed by , Chekov ' s third guard , who took sides with Kirk for an opportunity at a better promotion . ( ) Corridor guards . Several crewman were on duty patrolling , standing guard , or simply passing through in the corridor s of the " Enterprise " between the transporter room and sickbay . Each would salute Captain James T . Kirk as he , Scott , Uhura and Doctor McCoy passed by . ( ) Engineering guard . This crewman stood guard outside of the emergency manual monitor . He was incapacitated by Doctor Leonard McCoy ' s hypo , so that he and Montgomery Scott could enter the emergency manual monitor to manipulate the " Enterprise " s systems . According to McCoy , the dosage he gave the guard would have him put out for six hours . ( ) Injured man . This man was a patient in sickbay . To his horror , Leonard McCoy found his two assistants betting on the man ' s tolerance for pain . ( ) Kirk ' s guards . Led by , Kirk ' s guards came to his rescue , however were already beat to the scene by the traitorous during assassination attempt . They later oversaw Chekov ' s punishment in the agony booth . Another of Kirk ' s guards stood guard outside of his quarters . ( ) McCoy ' s assistants . These two medical assistant s worked in sickbay . Dr . Leonard McCoy was appalled by what he found in the ship ' s sickbay , describing it a " Chamber of Horrors " , further noting that he found his assistants " " were bet ting on the tolerance of an injured man , " " specifically , " " how long it would take him to pass out from the pain . " " ( ) Phaser Control guard . This crewman guarded the phaser control room . He confronted Montgomery Scott for not having authorization when Scott attempted to enter the room to disable the " Enterprise " s phasers . When the guard suggested contacting security chief , Scott backed down to avoid a confrontation . ( ) Spock ' s guard . This Vulcan guard escorted as he , James T . Kirk and walked the corridor . Spock later warned that if he were to be assassinated that Sulu remember that Spock ' s operatives would avenge his death and that some of them were Vulcans . ( ) Sulu ' s guards . Sulu ' s guards attempted to kill Captain Kirk and so that could become captain . This attempt was thwarted when used the Tantalus field against the guards , vaporizing them , allowing the four members of the to return to their universe . ( ) Transporter room guards . These two crewman stood guard in the transporter room . One held so that could take and use Kyle ' s agonizer on him for not correcting for a transporter error . The second guard was later on the bridge when Uhura engaged Sulu . Uhuru had him take over at her communications station after the altercation so that she could go to the sickbay . ( )