Charlie Slater is a fictional character from the BBC soap opera EastEnders, played by Derek Martin. Charlie's first appearance is in the episode first broadcast in the United Kingdom on 4 September 2000. He was played by Jason McGregor in flashbacks broadcast in 2001 and Richie Daysh in a 2018 flashback. He also makes a cameo appearance in the second series of the spin-off EastEnders: E20.

Derek Martin is a retired English actor. Beginning his career as a stuntman, he moved into acting and played many roles on UK television. One of his most widely known roles is Charlie Slater on the BBC soap opera EastEnders from 2000 to 2011, with brief appearances in 2013 and 2016.