How many people see Harvey by the end of the play Harvey?

By the end of the play "Harvey," only a few key characters see Harvey, the invisible rabbit. Elwood P. Dowd, the main character, consistently interacts with Harvey throughout the story. However, by the conclusion, it is suggested that Dr. Chumley, the psychiatrist, may have seen Harvey as well, highlighting the theme of perception and belief. Ultimately, the number of people who see Harvey remains ambiguous, emphasizing the subjective nature of reality in the play.