Billy Porter, Zachary Quinto And EJ Johnson Join Cast Of Disney+ Family Sitcom ‘The Proud Family: Louder And Prouder’ BURBANK, Calif. (May 12, 2021) – Billy Porter (“Pose”), Zachary Quinto (“Star Trek”) and EJ Johnson (“Rich Kids of Beverly Hills”) have joined the cast of the upcoming Disney+ animated series “The Proud Family: Louder and Prouder.” …