The show must go on ... sometimes.
Over the years, many TV series have had to figure out what to do when a major star left production, as "Glee" will now have to do in light of the tragic news that series star Cory Monteith has died.
Sometimes, the series recasts or tweaks the role, or even shuts down entirely. Click through this slideshow to see 10 notable past star departures.
— Kelly Woo, Yahoo! TV