Sandra Dinsdale made her first appearance on 25 February. She is portrayed by Donna Combe.
Sandra is a prison guard present when Stacey Branning and Kat Moon visit Janine Butcher in prison. Later, she escorts Stacey, now a prisoner herself, to the hospital when she visits her mother Jean Slater. She later appears when Charlie Cotton visits his grandmother Dot Branning in prison and when Max Branning and Carol Jackson visit Dot the same day.