Mimi Keene born 5 August 1998 in Woodford Redbridge London is a British actress known for her role as Cindy Williams in the BBC soap opera EastEnders Keene studied at Italia Conti Academy of Theatre Arts from 20092014 Keenes career began on the stage making her professional debut playing Janey in Kin at The Royal Court Theatre from 19 November to 23 December 2010 In 2013 Keene appeared in CBBCs Sadie J as Brandy May Lou and in Our Girl as Jade Dawes Between 2013 and 2015 Keene was a series regular in EastEnders playing Cindy Williams In 2016 Keene appeared in an episode of Casualty as Lana Westmore Keene also played Megan in a short film The Escape in 2017 Keene also had voice roles for video games Castlevania Lords of Shadow 1 and 2 In 2019 Keene will star in independent feature Close She will also portray the young version of Edith Tolkien in Tolkien In 2019 Keene began playing Ruby in the Netflix comedydrama Sex Education