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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.

MASH, Colonel Potter
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20th Century Fox Image

Replacing him eventually as new commanding officer for the 4077th was Col. Sherman T. Potter, played by Harry Morgan from season four through the end of the series.

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