Take a look back at some of the more memorable casting changes in the history of television.
Sam Waterston stepped in to play the new executive assistant D.A. Jack McCoy and would stick with the show through the rest of its 16 seasons.
Danny Moloshok / Reuters
iStock / bowdenimages
It's easy to upload your photos and/or videos on News8000.com. Once you do, we'll share your upload with the community!