Joe Manganiello, an actor/director runs an “A-List Dungeons and Dragons Group” in Beverly Hills, Hollywood. This includes people such as Vince Vaughn (actor/producer/screenwriter) and “Game of Thrones” co-creator D.B Weiss amongst others. Some recurring guests are the other co-creator of “Game of Thrones” David Benioff and “Guardians of the Galaxy” director James Gunn, and many more. Joe Manganiello is the DM, and he even has a professional role as a consultant for D&D publisher Wizards of the Coast.