Roger Lemli Ensign Roger Lemli was a 23rd century Starfleet officer . He was assigned to the between 2267 and 2269 , under the command of Captain James T . Kirk . Starfleet service . Lemli served in the operations division aboard the " Enterprise " , performing the duties of engineer and security officer during the historic five - year mission . By stardate 4729 . 4 , he held the rank of ensign . ( ) He enjoyed listening to contemporary music of the 2260s , much to the disappointment of Lieutenant Commander Montgomery Scott , the chief engineer . ( ) During breaks from duty , he socialized with his shipmates in a bar . ( ; ) On his first assignment , he was posted to the engineering station on the bridge on stardate 3468 . 1 when the " Enterprise " was caught and held in a force field by an alien claiming to be the Greek god Apollo . ( ) He assisted Scott in the main engineering room and fixed the warp drive after the space probe " Nomad " tampered with it on stardate 3541 . 9 . ( ) He returned to the engineering station on stardate 4040 . 7 when the starship orbit ed the planet 892 - IV . ( ) He assisted Lieutenant Kyle in the transporter room on stardate 4202 . 1 and beam ed the damage control party over to the and back during the battle with the " planet killer " . ( ) He beamed up the landing party during a medical emergency on stardate 4211 . 4 , after Commander Spock was wounded by gunfire from a hostile tribe on the planet Neural . ( ) He was assigned to the security team aboard Deep Space Station K - 7 on stardate 4523 . 3 . He briefly encountered Cyrano Jones and helped end a bar brawl between the Klingon s and the " Enterprise " crew . ( ; ) On the next mission , he beamed Kirk , Spock and Doctor Leonard McCoy to meet Bela Okmyx on the surface of Sigma Iotia II on stardate 4598 . 0 . ( ) He was in the engineering room when a group of Kelvan s hijacked the starship and temporarily neutralized and reduced him into a small dehydrated porous cuboctahedron solid on stardate 4658 . 9 . He was restored after Kirk , Spock , McCoy , and Scott regained control of the " Enterprise " . ( ) He beamed aboard Commodore Robert Wesley to the " Enterprise " on stardate 4729 . 4 when the M - 5 computer was installed on the vessel . ( ) He was part of the security detail for the Arret landing party on stardate 4768 . 3 . When Kirk , Spock , McCoy , and Doctor Ann Mulhall beamed over to the planet , Sargon prevented him from joining along . ( ) He was in the transporter room with Lieutenant Leslie and was rendered unconscious by Gary Seven during the time travel ing mission to 1968 . ( ) He was the communications officer on stardate 4842 . 6 when Spock was in temporary command of the " Enterprise " on a mission to deflect an asteroid from colliding with the planet Amerind . ( ) He escorted the Romulan commander to the bridge after she beamed aboard with Spock on stardate 5027 . 3 and witnessed the bridge crew ' s successful evasion of the three Romulan battle cruiser s . ( ) He shadowed Mary Janowski after the " Enterprise " rescued the orphan s of the Starnes Exploration Party on stardate 5029 . 5 . He was posted by the turbolift doors on the bridge when the orphans temporarily hijacked the starship . ( ) On stardate 5121 . 5 , the Vian s created an illusion of Lemli and Scott outside a research station on the surface of Minara II in an attempt to trick Kirk , Spock , McCoy , and the empath Gem . ( ) He was stun ned unconscious on stardate 5431 . 4 when the Eymorg appeared and removed Spock ' s brain . ( ) When Kirk discovered an assassination plot against Ambassador Kollos on stardate 5630 . 7 , he teamed up with Kirk , Spock , McCoy , and Leslie in response to the threat and ensured that no harm came to the Medusan ambassador . ( ) On stardate 5693 . 2 , he attended a memorial service for Kirk when the " Enterprise " was ensnared in a Tholian web . He restrained a crewman who had succumbed to the effects of the interphase and led him to sickbay ( ) He witnessed Kryton commit suicide in main engineering after the Elasian guard sabotaged the " Enterprise " s dilithium crystal converter assembly . ( ) He escorted Kang and his surviving Klingon crew when they were confined to the lounge on Kirk ' s orders . ( ) He joined the landing party on Scalos while the " Enterprise " investigated a mysterious distress call from the unseen Scalosian s on stardate 5710 . 5 . ( ) He was stunned by Doctor Sevrin ' s ultrasonic wave s when his followers seized control of the " Enterprise " and headed for the planet Eden on stardate 5832 . 3 . ( ) He was miniaturized and placed into temporary stasis by Flint on stardate 5843 . 8 . After Kirk ' s successful plea , he was restored to normal . ( ) He was posted as a security guard at the Elba II asylum on stardate 5718 . 3 and observed Garth of Izar ' s successful medical treatment by Governor Donald Cory . ( ) He saw Lieutenant Mira Romaine faint on the bridge when the " Enterprise " encountered the Zetarian s on stardate 5725 . 3 and was at the engineering station when the ship approached the planetoid Memory Alpha . ( ) On stardate 5730 . 2 , he was on the bridge and attempted to apprehend Lokai of Cheron under Kirk ' s orders . When the attempt failed , he fired a phaser at him but was unsuccessful because of a protective shield surrounding both Lokai and Bele . ( ) He saved the lives of Kirk , McCoy , and Lieutenant Hikaru Sulu when he fired his phaser on the Kalandan outpost ' s computer and disabled the replicas of . ( ) After the " Enterprise " made initial contact with an Excalbian replica of Abraham Lincoln on stardate 5906 . 4 , Kirk signed his PADD . ( ) He was present at Spock ' s court martial on stardate 5928 . 5 . He was ordered to bring Doctor Janice Lester to testify , not knowing that she had already switched her body with Kirk ' s through a life - energy transfer machine . After Spock , McCoy , and Scott were sentenced to death for the charge of mutiny , he escorted them and Lester , who still had Kirk ' s persona , to the brig . ( ) Appendices . Background information . Roger Lemli was played by Roger Holloway , a regular extra who appeared in the second and third seasons of the . Holloway did not receive onscreen credit for the role and had one brief line of dialogue in , the final episode . The recurring character did not have a set identity until Scott referred to him as " Roger " in , the same first name as Holloway . Kirk addressed him clearly as " Mister Lemli " in and , although the captain referred to him less clearly in . Kirk referred to him just by rank , " Ensign " , in . According to the , Lemli was a reference to the daughters of William Shatner and his production company Lemli Music . The name was a combination of the first names of Shatner ' s three daughters : Leslie , Melanie and Lisabeth . Shatner later chose " LEMLI " for his vanity license plate in California .