The latest cast member for the new Ghostbusters film has been revealed, as Paul Rudd has answered the call and joined the anticipated movie from director Jason Reitman In a new video (see below) shared on the official Ghostbusters Twitter page, with his trademark brand of quirky humor, Paul Rudd announced that he has joined the cast of the new Ghostbusters , fittingly revealing the news in front of the Firehouse , Hook & Ladder Company 8 building in New York City.According to Variety, which refers to the new Ghostbusters movie as Ghostbusters 2020, Rudd will play a teacher in the film, joining a cast that is also expected to include Carrie Coon Mckenna Grace , and Finn Wolfhard as a single mother and her children, respectively.Here's what Jason Reitman, son of Ghostbusters and Ghostbusters 2 director Ivan Reitman (who will produce the new movie), had to say about Rudd's casting (via Variety):“I