// GET: Movie/EditActors/5 public IActionResult EditActors(int?id) { if (id == null) { return(NotFound()); } var movie = repo.Movies .Include(m => m.MovieActors) .ThenInclude(ma => ma.Actor) .FirstOrDefault(m => m.Id == id); if (movie == null) { return(NotFound()); } ViewBag.Movie = movie; var actorsFromMovie = repo.ActorsFromMovie((int)id); ViewBag.Actors = actorsFromMovie.ToList(); ViewBag.NewActors = repo.Actors.Except(actorsFromMovie).ToList(); return(View()); }