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 Christian who received no credit for his appearance.