Popsugar Entertainment Charlie Says Charlie Says Cast The Cast of Charlie Says and the Infamous Manson Family Members They're Playing 2 May 2019 by Kelsie Gibson View On One Page Photo 7 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Marianne Rendón as Susan Atkins The Imposters actress will play Susan Atkins, who infamously wrote "PIG" on the front door after Sharon Tate's murder. Previous Next Start Slideshow Charlie SaysMovie CastingMoviesTribeca Film Festival