Riverdale actor Luke Perry died in early 2019, and the show found a way to include Fred Andrews in episodes thanks to existing footage and say goodbye to Fred later.
This isn’t the first case of a show needing to wrap up a character arc after the actor tragically passed away.
NCIS: Los Angeles reduced Miguel Ferrer’s workload as Owen Granger when he became ill, and revealed Granger’s death later in a tear-jerker of an episode.