Final answer:
The 2016 movie titled Moonlight features the character named William in the last 2 scenes of the film.
Step-by-step explanation:
The movie that only features the title character, named William, in the last 2 scenes is Moonlight. Directed by Barry Jenkins and released in 2016, Moonlight tells the story of a young man, Chiron, as he navigates his identity and sexuality in a tough neighborhood in Miami.