George trained at the prestigious Drama Centre London under Christopher Fettes and Yat Malgram. His career started on the London stage in plays at the National Theatre, Theatre Royal S.E, Haymarket Theatre and numerous off West End productions. He played the leading role in a new play 'Chicken' by Mike Batistick at the Trafalgar Studios in the heart of London's West End. George has appeared in some of the most successful TV shows including Game of Thrones, Sex Education, Carnival Row, The Honourable Woman, Madam Secretary, Homeland, The Americans, The Last Ship, Bones, Law & Order, Spooks and many more. On the big screen George starred in the mega hit movie Mamma Mia along side Meryl Streep. Other movies include 300:Rise of an Empire, RED 2, The Cut, The Mummy (2017), CLOSE (2019), Epiphany (2019) and most recently John Wick 4 opposite Keanu Reeves playing The Elder.