These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Actor Allusion: Jack Black starred in the 2005 King Kong... and he's playing the titular character in the sweded 1933 film. Sigourney Weaver plays the attorney who protests about copyright issues and she also starred in Ghostbusters.