Additionally, Brodie-Sangster plays Liam in the 2011 film "The Last Furlong". In April 2011, he made a guest appearance as Adam Douglas in an episode of British detective drama "Lewis". In 2012, he starred in "The Baytown Outlaws" and in Ella Jones's short film, "The Ugly Duckling", the third installment of the "Tales" trilogy of reworked fairy tales from "More Films". From 2013 to 2014, he played the role of Jojen Reed in the HBO series "Game of Thrones". In 2015, he began providing the voice of John Tracy in ITV's remake of Gerry Anderson's puppet series "Thunderbirds Are Go" (2015–present).