Meg Griffin (Family Guy)
Meg was initially portrayed by Lacey Chabert before Mila Kunis took over. You wouldn’t know this unless you were mining IMDb on a really chill Monday night. Lacey reportedly had too much on her plate between Party of Five and school.
Morty (Seinfeld)
Morty, Jerry’s father, is one of the best characters in Seinfeld because of Barney Martin’s eminent performance. However, Phil Bruns, who temporarily played Morty in season 1, was replaced because Jerry Seinfeld and Larry David wanted the character to have a more irritable demeanor…