His stage debut saw him portray the titular role in Cardenio, going on to appear in various other productions including Marat/Sade, The City Madam and Richard II.
Rix has also starred in various television series including Death Comes to Pemberley, WPC 56, Of Kings and Prophets, The Spanish Princess and Call the Midwife, as well as joining the cast of Casualty in 2025.
[1] The schools he attended as a child did not offer drama opportunities to his annoyance, so Rix did not start performing on stage until university.
[2] He studied at Oxford University, eventually going on to train in acting at the London Academy of Music and Dramatic Art.
[3] He then starred in a production of Marat/Sade with the Royal Shakespeare Company (RSC) later that year,[5] as well as The City Madam at the Swan Theatre.
[13] In 2016, Rix made his international breakthrough when he starred in ABC's drama series Of Kings and Prophets as David.
[18] In 2019, he appeared in an episode of the Acorn TV series Agatha Raisin, as well as joining the cast of The Spanish Princess.
[21][22] The reports were confirmed by the BBC in February 2025, with them announcing that Rix was portray Flynn Byron from the thirty-ninth series.