Hadrian was raised in Kingston upon Thames, England. He attended the University of Plymouth where he briefly studied theatre before leaving higher education to embark upon a career as a professional wrestler. He toured extensively throughout the United Kingdom, Europe, the Caribbean and the United States. From 2007 until 2009, Hadrian wrestled for World Wrestling Entertainment, training in its developmental territory Florida Championship Wrestling (FCW). He made his main-roster debut in 2008 on an episode of WWF SmackDown! (1999). Hadrian made his professional acting debut in 2004. Recently he co-starred in the medieval adventure film The Four Warriors (2015). He also had a role in the action spy film Mission: Impossible - Rogue Nation (2015), starring Tom Cruise, Rebecca Ferguson and Jeremy Renner. He then played the villain in war movie sequel Jarhead 3: The Siege (2016), starring Charlie Weber, Scott Adkins and Dennis Haysbert. Hadrian has appeared in another of Tom Cruise's films, the action-adventure film The Mummy (2017). He finished out 2017 with work on the short film thriller The Dead And The Damned (2018), a project he wrote, directed and starred in. In 2018, Hadrian completed work on the pilot episode for Syfy's Superman prequel series Krypton (2018) and the Gerard Butler action sequel, Angel Has Fallen (2019). Hadrian can be seen in the upcoming Terminator: Dark Fate (2019) where he was cast in a supporting role opposite Arnold Schwarzenegger.