Jonathan Rees (born 21 March 1968), known professionally as Greg Ellis, is an English actor who has worked in film, television, video games, and theatre.
He is known for playing Chief Engineer Olson in Star Trek (2009), Theodore Groves in Disney's Pirates of the Caribbean (2003, 2007–2011), and Trevor Wilcox in Touch (2013), as well as voice roles such as Anders in Dragon Age: Origins – Awakening (2010), Cullen in multiple Dragon Age games, and Jet-Vac in the Skylanders video game series, as well as in the series Skylanders Academy.
Career Film and television In film, Ellis is known for appearing in Titanic as well as in Mr. and Mrs. Smith. He is also known for appearing in Star Trek as Chief Engineer Olsen, the original chief engineer of the Starship Enterprise. He starred in the western Forsaken.
Ellis is best known for his portrayal of Lieutenant (later Lieutenant Commander) Theodore Groves in the Pirates of the Caribbean franchise. Due to his involvement in the franchise, Ellis kept in touch with Johnny Depp, Geoffrey Rush, and Kevin McNally.
On television, Ellis joined the cast of Hawaii Five-0 in season five to play Thomas Farrow in a major recurring arc. He was also a regular on the Fox drama Touch as Trevor Wilcox and played the villainous Michael Amador in the 3rd season of the 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, and Trust Me.
Voice-over As a voice-over actor, 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 animated series such as The Grim Adventures of Billy & Mandy, Invader Zim, Batman: The Brave and the Bold, and first three series of the Ben 10 franchise. He voiced Dr. Morocco in season two of Transformers: Rescue Bots, with the character originally being voiced by Tim Curry. He has voiced Mzingo in the Disney series The Lion Guard, Jet-Vac in the Netflix animated series Skylanders Academy, and Valen Rudor in the Disney animated series Star Wars Rebels.
Ellis played Cmdr. Giles Price in the game Command & Conquer: Red Alert 3 and reprised the role in Command & Conquer: Red Alert 3 – Uprising. He reprised his role as Cait Sith in the English version of the CGI film Final Fantasy VII: Advent Children. He voiced Garmund in the Robert Zemeckis animated film Beowulf. Ellis originally started in musicals and originated the role of Rusty in Starlight Express at the Apollo Victoria Theatre and was the alternate Chris in the original cast of Miss Saigon at the Theatre Royal, Drury Lane. He also appears on the cast recording of the new Starlight Express. He released a single from the show, "Next Time You Fall in Love."
His most recent work is the 2023 video game Hogwarts Legacy, as Albie Weekes and Timothy Teasdale.
Author Ellis authored a 2021 book titled The Respondent: Exposing the Cartel of Family Law, which presents a first-person account of family breakdown and examines social, political, and legal factors related to what he describes as a national health issue.The Respondent: Exposing the Cartel of Family Law therespondent.com
Filmography
Live-action roles Film + List of live-action performances in film Year Title Role Notes Titanic Carpathia Steward To End All Wars Primrose Pirates of the Caribbean: The Curse of the Black Pearl Officer Theodore Groves Credited as "Officer" Mr. & Mrs. Smith Mickey (Dive Bar Patron #1) Cell Call Donovan Short film Pirates of the Caribbean: At World's End Lieutenant Theodore Groves Credited as "Officer" Knight Rider Welther Television film Star Trek Chief Engineer Olsen Pirates of the Caribbean: On Stranger Tides Lieutenant Commander Theodore Groves Credited as "Groves" Rogue Peter Reid Television film Forsaken Tom Watson Killer App Springer
Television + List of live-action performances in television Year Title Role Notes Brush Strokes Terry Episode: "Episode #4.5" –1991 Bread P.C. Lloyd 21 episodes The X-Files 3rd British Crewman Episode: "Triangle" Star Trek: Deep Space Nine Ekoor Episode: "What You Leave Behind"–2004 24Michael Amador 9 episodes, CSI: Crime Scene Investigation Foxy Harris, Special Agent Sturgis 2 episodesBones Kevin Hollings Episode: "Two Bodies in the Lab"–2009 Valentine Ari Valentine / Ares 8 episodesTrust Me Simon Cochran 7 episodesCSI Foxy Harris 1 EpisodeDexter Jonathan Farrow Episode: "Slack Tide"Nip/Tuck Adam Wise Episode: "Joel Seabrook"The Confession Sheldon Hoffman Episode: "Chapter 7" Days of Our Lives Agent Spencer 27 episodesAlcatraz Garrett Stillman Episode: "Garrett Stillman" Touch Trevor Wilcox 13 episodes Hawaii Five-0 Thomas Farrow 4 episodes Lucifer Myles Drunker Episode: "Anything Pierce Can Do I Can Do Better" Magnum P.I. Sean Cavendish Episode: "A Fire in the Ashes" The Rookie Blair Darvill Episode: "Day in the Hole"
Video games + List of live-action performances in video games Year Title Role Notes Command & Conquer: Red Alert 3 Cmdr. Giles Price Command & Conquer: Red Alert 3 – Uprising Blur Maaz Unused cut scene
Voice roles
Animation + List of voice performances in television Year Title Role Notes The Wild Thornberrys Bim Episode: "Koality and Kuantity"The Angry Beavers Randy Beaver, Supercomputer Episode: "Koality Komforts/Oh, Brother?"Oh Yeah! CartoonsWizzy, StanEpisode: "The Fairly OddParents: The Zappys" Dan Dare: Pilot of the Future Dan Dare –07 The Grim Adventures of Billy & Mandy Various voices –05 Teen Titans Malchior, Punk Rocket Evil Con Carne Lady of the Lake, Prince, Bobby No. 2 Episode: "Jealousy, Jealous Do/Hector, King of the Britons" –08 Bratz Byron Powell, Sir Nigel Forrester 7 episodes Ben 10 Synaptak Episode: "The Galactic Enforcers"Legion of Super Heroes Drax Episode: "Phantoms" –08 Phineas and Ferb Jameson, Angry Mob The Batman Count Vertigo Episode: "Vertigo" Ben 10: Alien Force Squire Episode: "Be-Knighted" –2011 Batman: The Brave and the Bold Gentleman Ghost, Doctor Fate, Cavalier, Doctor Canus, Hawk, Shrapnel, Mister Mind, Big Head Batman Star Wars: The Clone Wars Turk Falso 2 episodesApe Escape Specter –11 Ben 10: Ultimate Alien Prince Gyula, Cyborg #2, Dagonet, Reporter Chet Rigby –13 Generator Rex Gatlocke 2 episodes G.I. Joe: Renegades Breaker, Alvin Kibbey, Cobra Ops Supervisor –13 Scooby-Doo! Mystery Incorporated Charles Weatlesby, Destroido Computer 2011Fish HooksGecko #1, Gecko Glasses, Officiant, Duke2 episodes The Avengers: Earth's Mightiest Heroes Rocket Raccoon Episode: "Michael Korvac" –14 Beware the Batman Phosphorus Rex –16 Transformers: Rescue Bots Dr. Thaddeus Morocco, Mr. Foster –17 Star Wars Rebels Baron Valen Rudor –17 Sofia the First Spruce 2015Turbo FastLiam, OllieEpisode: "Kicked Off" –19 The Lion Guard Mzingo Credited as Jonny Rees –18 Skylanders Academy Jet-Vac Be Cool, Scooby-Doo! Dr. Messmer, Kitchen Staff Member Episode: "Mysteries on the Disorient Express" –18 Star vs. the Forces of Evil Manfred, additional voices Credited as Jonny Rees Angry Birds Mystery Island Pig in Suit, Pig Student #3, Punk Rock Pig Sid
Film + List of voice performances in live-action films Year Title Role Notes Summer Music Mania 2004 Announcer Television film Garfield: A Tail of Two Kitties Nigel 2006Bratz Genie MagicSebastian2007BeowulfGarmund Dr. Dolittle: Tail to the Chief Wallaby Direct-to-video Dr. Dolittle: Million Dollar Mutts Dave the Dove Direct-to-video
+ List of voice performances in animated films Year Title Role Notes Bratz Byron Direct-to-video Bratz Sebastian Direct-to-videoFinal Fantasy VII: Advent Children Cait Sith English dubBratz Harvey Direct-to-video Billy & Mandy's Big Boogey Adventure Creeper, Horror's Hand Television film Dante's Inferno: An Animated Epic Plato Direct-to-videoTom and Jerry Meet Sherlock Holmes Tin, Sergeant Direct-to-video Tom and Jerry: Robin Hood and His Merry Mouse Will Scarlet, Tin Direct-to-videoBig Top Scooby-Doo! Marius Brancusi Direct-to-videoFoodfight! Hairy Hold Tom and Jerry's Giant Adventure Tin Direct-to-video Batman: Assault on Arkham Captain Boomerang Direct-to-videoTom and Jerry: The Lost Dragon Tin Direct-to-videoKhumba Thabo, Elder #1 English dub Tom and Jerry: Spy Quest Tin Direct-to-videoThe Lion Guard: Return of the Roar Mzingo Television film Lego DC Shazam! Magic and Monsters Mister Mind Direct-to-video Scooby-Doo! The Sword and the Scoob Herald, Herman Ellinger, British Passenger Direct-to-video
Video games