Born and raised in London. Gatt first got the acting bug when his Maltese parents took him to see Star Wars at the age of 8 and he decided to be Han Solo when he was older. He began his professional training at Sylvia Young Theater School and then followed that with a 3 year acting and music theater course at the Mountview Academy of Theater Arts,...
| Movie | Harnessing the Rain | Unknown | 2017 |
| Series | Chuck | Unknown | 2017 |
| Movie | For All Eyes Always | Unknown | 2017 |
| Movie | Infrared | Unknown | 2017 |
| Series | Second Chance | Unknown | 2016 |
| Series | Eagleheart | Unknown | 2016-01-26 |
| Series | Stan Lee's Lucky Man | Unknown | 2016 |
| Movie | Star Trek Beyond | Unknown | 2016 |
| Movie | Liberty | Unknown | 2016 |
| Series | Real Rob | Unknown | 2015 |
| Movie | Stormageddon | Unknown | 2015 |
| Movie | The Most Dangerous Game | Unknown | 2015 |
| Movie | Finding Eden | Unknown | 2015 |
| Series | Mr. Hollywood | Unknown | 2015 |
| Series | The 100 | Unknown | 2014 |
| Movie | Elder Scrolls Online | Unknown | 2014 |
| Movie | Finders Keepers | Unknown | 2014 |
| Series | True Detective | Unknown | 2014-01-12 |
| Movie | God of War: Ascension | Unknown | 2013 |
| Series | Banshee Origins | Unknown | 2013 |
| Movie | Agent 88 | Unknown | 2013 |
| Movie | Agent 88 | Unknown | 2013 |
| Series | The Silicon Assassin Project | Unknown | 2013 |
| Movie | The Big Lug | Unknown | 2013 |
| Movie | Star Trek Into Darkness | Unknown | 2013-05-16 |
| Movie | Star Wars: The Old Republic - Rise of the Hutt Cartel | Unknown | 2013-04-14 |
| Movie | The Making of God of War: Ascension | Unknown | 2013 |
| Series | Banshee | Unknown | 2013-01-11 |
| Series | Ray Donovan | Unknown | 2013-06-18 |
| Movie | PlayStation All-Stars Battle Royale | Unknown | 2012 |
| Series | Breaking In | Unknown | 2012 |
| Movie | I Am Singh | Unknown | 2011 |
| Movie | The Elder Scrolls V: Skyrim | Unknown | 2011-11-11 |
| Series | Game of Thrones | Unknown | 2011-04-17 |
| Movie | Thor | Unknown | 2011-05-06 |
| Series | Easy to Assemble | Unknown | 2011 |
| Movie | Star Wars: The Old Republic | Unknown | 2011-12-20 |
| Series | Strike Back | Unknown | 2011 |
| Movie | Wonder Woman | Unknown | 2011 |
| Series | Teen Wolf | Unknown | 2011-06-05 |
| Series | Pretend Time | Unknown | 2010-10-12 |
| Movie | God of War III | Unknown | 2010 |
| Movie | Documentary: The Making of God of War III | Unknown | 2010 |
| Movie | God of War: Ghost of Sparta | Unknown | 2010 |
| Movie | Killing Ariel | Unknown | 2008 |
| Movie | Metal Gear Solid 4: Guns of the Patriots | Unknown | 2008-06-12 |
| Series | On the Bench! | Unknown | 2008 |
| Movie | Dark Path Chronicles: Making Of | Unknown | 2008 |
| Series | The Dark Path Chronicles | Unknown | 2008 |
| Movie | God of War: Chains of Olympus | Unknown | 2008 |
| Movie | Dark Path Chronicles: Behind the Characters | Unknown | 2008 |
| Movie | God of War II | Unknown | 2007 |
| Series | God of War II: From Myth to Legend | Unknown | 2007 |
| Movie | Lair | Unknown | 2007 |
| Movie | Socom U.S. Navy Seals: Fireteam Bravo 2 | Unknown | 2006 |
| Movie | 24: The Game | Unknown | 2006 |
| Movie | Killzone: Liberation | Unknown | 2006 |
| Movie | Saurian | Saurian Belrog | 2006-01-01 |
| Movie | Pulse | Dark Figure | 2006-08-11 |
| Series | Captain Scarlet | Unknown | 2005 |
| Movie | Sniper Elite | Unknown | 2005 |
| Movie | Driv3r | Unknown | 2004 |
| Movie | Kal Ho Naa Ho | Unknown | 2003 |
| Series | Being April | Unknown | 2002 |
| Series | 999 | Unknown | 2001 |
| Movie | Driver 2 | Unknown | 2000 |
| Series | Jason and the Argonauts | Unknown | 2000-05-07 |
| Movie | Malicious Intent | Unknown | 2000 |
| Movie | Orpheus & Eurydice | Unknown | 2000 |
| Movie | Plunkett & Macleane | Unknown | 1999 |
| Series | Top of the Pops 2 | Unknown | 1994 |
| Series | The Big Breakfast | Unknown | 1992-09-28 |
| Series | The Bill | Unknown | 1984-10-16 |