Sue Osman is a fictional character from the BBC soap opera EastEnders, played by Sandy Ratcliff. She is one of the serial's original characters, appearing in its first episode on 19 February 1985 and departing on-screen in May 1989. Created by Tony Holland and Julia Smith, Sue is portrayed as argumentative, insecure and tragic. A pivotal storyline in the character's narrative is the cot-death of her son, which was one of the show's first controversial plots. During her four years on-screen, the character contends with a phantom pregnancy, marital breakdown and finally insanity. Ratcliff left the role in 1989.