Marlene Kratz is a fictional character from the Australian soap opera Neighbours, played by Moya O'Sullivan. She made her first appearance during the episode broadcast on 5 July 1994. She was introduced as the estranged mother of Cheryl Stark (Caroline Gillmer). The pair often argued and Marlene constantly interferes in other people's business, but O'Sullivan believed Marlene meant well. She also described her as enormously caring, but Cheryl struggles to forgive Marlene for leaving her and her…