Ensign Masaro
Ensign Masaro was an member of Terra Prime in the year 2155.
At some point he infiltrated Earth Starfleet and the crew of the Enterprise as an engineer in a effort to further the goals of Terra Prime. When it was discovered later that he was the individual responsibile for sabotaging Shuttlepod One, he confronted Captain Archer and confessing to his belief in the mission of the Enterprise -- despite what his actions might suggest. He then committed suicide with a phase pistol. (ENT: "Terra Prime")
- Masaro probably was the person who supplied Terra Prime with the genetic samples of Commanders T'Pol and Tucker, although this was never stated on screen.
- Ensign Masaro was played by actor Josh Holt; on IMDB.