Popsugar Entertainment Netflix Netflix's The Prom Musical Movie Cast The Star-Studded Cast For Ryan Murphy's The Prom Adaptation Will Make Your Jaw Drop 11 October 2019 by Kelsie Gibson View On One Page Photo 4 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Andrew Rannells as Trent Oliver The Book of Mormon alum will play an actor who is down on his luck. Previous Next Start Slideshow NetflixMovie CastingMoviesRyan Murphy