Dexter Hartman is a fictional character from the BBC soap opera, EastEnders, played by Khali Best. His debut was on 7 January 2013. Dexter is the grandson of Cora Cross (Ann Mitchell) and son of her illegitimate daughter, Ava Hartman (Clare Perkins). Dexter's storylines include his friendships with Jay Brown (Jamie Borthwick) and Lola Pearce (Danielle Harold) In 2014, Best was suspended from the show for three months by executive producer, Dominic Treadwell-Collins due to bad behaviour.