Ziva's gone and Ellie's in on ''NCIS''; see how past shows fared when recasting a fan fave
It always seemed that both Sheen and his freewheeling character Charlie Harper could sidle out of any mess but turned out that wasn't true for either of them. With Sheen out, Harper met an apparently messy demise when he was said to have been hit by a train in France. In came Ashton Kutcher's eccentric (and well-endowed) millionaire Walden Schmidt to play the life-of-the-party role.
Image Credit: Greg Gayne/CBS