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.

Michael J Fox, Spin City
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Disney-ABC Television

Sheen took over for Michael J. Fox, who left the hit show due to his progressing Parkinson's disease.

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