I heart DESPERATE HOUSEWIVES: Trivia

Nicolette Sheridan was only meant to be a guest on the show for the first few episodes. However, she was so popular and so effective as the vivacious Edie that they decided to make her a full-time desperate housewife. It was a lucky break for the actress; she had originally auditioned for the part of Bree.

(taken from myhandbag.com)