Ensign Martin was a Starfleet officer who served aboard the USS Voyager while it traversed the Delta Quadrant during the 2370s. His duties included operating the transporter.
Martin was killed by a phaser in 2373 at the hands of Tieran, an Ilari who was inhabiting the body of Kes, after Martin beamed aboard the Ilari representative. (VOY: "Warlord")
Ensign Martin was played by actor David Paul Christian who received no credit for his appearance.
He is listed as "Transporter N.D." on the call sheet and filmed his scenes on Tuesday 3 September 1996 on Paramount Stage 9.