(episodes 343–537) – a prisoner first seen showing hatred towards Nola McKenzie after Bea Smith tells the prisoners that she had branded her in revenge of her killing Paddy Lawson. Shaw is later caught with some of Nola's stolen cigarettes taken from the storage room given to her by Faye Quinn who is trying to sell items to make money for her and Nola while operating an insurance scheme. After her appearances during the Nola McKenzie storyline, Shaw makes more frequent appearances on the show playing minor roles until episode 537.

Ruth Shaw was played by Mary Murphy. [1]