The term 'A Superman Portrayer' can be answered by two crossword solutions: REEVE (5 letters) and Reeves (6 letters). Christopher REEVE was an American actor best known for his portrayal of the iconic superhero, Superman. He starred in four Superman films between 1978 and 1987. After a horse-riding accident in 1995, REEVE became a prominent advocate for people with disabilities. His son, Matthew REEVE, is also an actor and director, and has taken on the role of Superman in several projects. Keanu Reeves is another actor who has portrayed Superman, most notably in the 2021 film, The Matrix 4.