TV's biggest casting changes

Published On: Jun 09 2011 03:17:17 PM CDT   Updated On: Apr 16 2014 01:00:00 AM CDT

Take a look back at some of the more memorable casting changes in the history of television.

Cheers, Rebecca, Kirstie Alley
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Charles/Burrows/Charles Productions

She was replaced with Kirstie Alley, who played businesswoman and on-again-off-again bar manager Rebecca Howe over the show's final six seasons.

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