The qoute says the “authors”, so this law is not exclusively tied to actors, but generally works of art and the people involved in creating it. Thats why I called out things like remakes.

And while you are right that in many of my examples there would probably be contracts to avoid these issues, my point was to show how easy it is to break this law (and that copyright owners do it all the time themselves).

Also, fair use for parodies is not a thing in all countries - not sure if it is in Denmark.