Writer and director Joseph Sperber’s political murder mystery film “ Behind Closed Doors ” has announced its cast as it begins production in Los Angeles. Elijah Reed (“Doom Patrol”), Nick Samson (“Poser”), Melissa Alce (“Matlock”), Christian Haines (“Law & Order”) and Charrell Mack (“The Pitt”) are set to star. This is Sperber’s feature debut, following his live-action short film “Let Us Play” which starred Doug Jones and was an official selection at the LA Shorts International Film Festival. “Behind Closed Doors” is produced by Galileo Mondol (“Pretty Problems”) and Carlos Lopes for BT Studios (“Overtime Hustle”), alongside Aaron Schmidt, former chief of staff at Tooley Entertainment (“Arthur the King”). Martin Taube (“Holy Cowboys”) serves as director of photography.…