"Shelley Marie Hack (born July 6, 1947) is an American model, actress, producer, and political and media advisor. Hack is best remembered for her role as Tiffany Welles in Season 4 (1979\u20131980) of the ABC television drama Charlie's Angels , replacing the departing Kate Jackson. She appeared in a total of 26 episodes of the series, before being replaced in Season 5 by model-actress Tanya Roberts. Hack's other roles include Cathy Long in Martin Scorsese's film The King of Comedy (1983)."@en . "1947Z"^^ . "Hack, Shelley"@en . . . . "Shelley Hack"@en . "1975Z"^^ . . "Shelley Marie Hack"@en . . "American actor" . "1947-07-06Z"^^ .