John Cleese Is John Cleese Joining a DC Extended Universe Film? DC?s extended universe may not have started off with a bang when it comes to critical reception, but so far the casting decisions have been among the strongest aspects of the relatively young and growing comic book-inspired universe. From Ben Affleck?s mostly well received turn as the Dark Knight in Batman v Superman: Dawn of Justice to Margot Robbie as the fan favorite villain Harley Quinn in Suicide Squad, DC has at least been mostly knocking it out of the park when it comes to its choice of actors.