Greg Ellis (born 21 March 1968) is an English actor. Life and Career Born Jonny Rees in England, Greg Ellis came over to the United States around 1995 or 1996, and had lived there ever since. On the big screen, Greg Ellis is known for appearing alongside Leonardo DiCaprio and Kate Winslet in Titanic as well as Brad Pitt and Angelina Jolie in Mr. and Mrs. Smith. He is also known for appearing in J.J. Abrams's Star Trek as Chief Engineer Olsen, the original chief engineer of the Starship Enterprise, as well as starred in the western Forsaken alongside Demi Moore with Donald Sutherland and Brian Cox. Greg Ellis is best known for his portrayal of Lieutenant Theodore Groves in Disney's Pirates of the Caribbean film series. Though his character wasn't named onscreen, Ellis was credited as "Officer" in the first and third films, and the name "Groves" was used in the third film's screenplay and the fourth movie, the latter of which he was called "Lieutenant Commander Groves" onscreen. Due to his involvement in the franchise, Ellis kept in touch with Johnny Depp, Geoffrey Rush, and Kevin McNally. On television, Greg Ellis joined the cast of Hawaii Five-0 in season five to play Thomas Farrow in a major recurring arc, was a regular on the Fox drama Touch as Trevor Wilcox and played the villainous Michael Amador opposite Kiefer Sutherland in the 3rd season of the hit series 24. His other television credits include: Dexter, The X-Files, Magnum PI, The Riches, Bones, Alcatraz, Star Trek: Deep Space Nine, The Closer, CSI, Nip/Tuck, Perception, Knight Rider, Days of Our Lives, Trust Me and many more. As a voice-over actor, Greg Ellis has a career in video games and animation. His voice was featured in the PlayStation 2 games Rogue Galaxy (as Simon Wicard), Dirge of Cerberus: Final Fantasy VII (as Cait Sith), and Tomb Raider: Legend (as Alister Fletcher), as well as in Dragon Age: Origins, Dragon Age II, and Dragon Age: Inquisition (as Cullen Rutherford). His minor video game work includes voices for SOCOM II U.S. Navy SEALs, SOCOM 3 U.S. Navy SEALs, Star Wars: Knights of the Old Republic II: The Sith Lords, Tomb Raider: Underworld, and Ty the Tasmanian Tiger. He has also voiced characters in cartoons such as The Grim Adventures of Billy & Mandy, Invader Zim, Batman: The Brave and the Bold, and first three