Mrs Turton is a non-canonical character created for the film adaptation of The A.B.C. Murders in Series 2 of ITV's Agatha Christie's Poirot. She is the landlady of "The Globe" bed and breakfast in Doncaster. She saw one of her guests, Alexander Bonaparte Cust, washing his hands which had blood on it but did not think much about it. Some three hours later, she learnt that there was a murder in a cinema in Doncaster, she became suspicious and reported it to the police.
The part of Mrs Turton was played by Miranda Forbes. The character does not occur in the original novel. There the hotel was "The Black Swan" run by Mr Ball.