https://screenrant.com/matrix-4-movie-sequel-young-morpheus Same character, but played by a younger actor. Still, there should have been a way to have the original actor, even if just for a few seconds as the older version of Morpheus.
https://nerdist.com/article/matrix-resurrections-morpheus-laurence-fishburne-absence
https://screenrant.com/matrix-4-theory-young-morpheus-is-a-program-designed-to-trap-the-one
https://screenrant.com/matrix-resurrections-neo-keanu-reeves-look-different-john-wick Same actor, just a different look. Perhaps a bit of a John+Wick look.
https://nypost.com/2021/12/02/keanu-reeves-says-studio-wasnt-ready-for-trans-character-in-matrix
https://screenrant.com/matrix-trans-character-keanu-reeves-studio-cut-explained
https://matrix.fandom.com/wiki/Switch , https://nerdist.com/article/lilly-wachowski-matrix-trans-switch
https://screenrant.com/matrix-revolutions-oracle-recast-gloria-foster-mary-alice Sometimes the original actor dies and has to be replaced with another actor, instead of using CGI.
https://en.wikipedia.org/wiki/List_of_Matrix_series_characters#Introduced_in_The_Matrix
https://en.wikipedia.org/wiki/List_of_Matrix_series_characters#Introduced_in_The_Matrix_Reloaded
https://en.wikipedia.org/wiki/List_of_Matrix_series_characters#Introduced_in_The_Matrix_Revolutions
https://en.wikipedia.org/wiki/List_of_Matrix_series_characters
https://en.wikipedia.org/wiki/The_Matrix_(franchise)#Setting
Of course movies and TV series can have a wide variety of characters.
