Sean Slater is a fictional character from the BBC soap opera EastEnders, played by Robert Kazinsky who made his first appearance on 22 August 2006. Sean's existence was revealed on 9 December 2005 when his sister Stacey Slater (Lacey Turner) returns to Walford after their mother, Jean (Gillian Wright), attempts suicide. Kazinsky was suspended from work for two months in 2007. It was announced on 18 January 2008 that Kazinsky would be leaving the show and he made his final appearance on 1 January 2009. He returned for a brief stint on 26 April 2019 and departed again on 6 May 2019. Kazinsky returned again for a one off stint on 1 November 2021.