Fantastic Beasts: Dumbledore’s Secrets is the film in which the replacement of Johnny Depp of Mads Mikkelsen The actor recently explained to The Hollywood Reporter why the substitution between the two actors is not explained in the film.
Here are Mads Mikkelsen’s words about it:
This is a voluntary decision. Everyone knows the reason for the change of actor. The whole world knows this. It would have just been an Easter egg with reality to switch the actors. We hope that the public will be absorbed by this and will be able to accept it.
This is the official synopsis of the movie, starring Eddie Redmayne and Jude Law, along with Ezra Miller, Dan Fogler, Alison Sudol, Callum Turner, Jessica Williams, Katherine Waterston and Mads Mikkelsen.
In Fantastic Beasts: Dumbledore’s Secrets, Albus Dumbledore knows that the powerful dark wizard Gellert Grindelwald is taking action to take control of the Wizarding World. Unable to stop him alone, he entrusts magizoologist Newt Scamander in command of a fearless team of wizards, witches and… a brave Muggle baker on a perilous mission, where they will encounter old and new magical creatures and clash with the growing legion of followers through Grindelwald. But with such a high stakes, how long can Dumbledore be on the sidelines?
Source: Lega Nerd