Marlene Kratz is a fictional character from the Australian soap opera Neighbours, played by Moya O'Sullivan. She made her first screen appearance during the episode broadcast on 5 July 1994 and remained in the show until 14 October 1997, when the character went on a three-month cruise and never returned. Marlene was an elderly lady who owned a bric-a-brac store and was obsessed with Elvis Presley. In 2005, O'Sullivan reprised her role of Marlene for Neighbours' 20th anniversary. The character revealed she is still sailing the seas.