Toni Collette was pregnant with her second child while shooting the show's final season. By the end of the season, she was five months pregnant.
Though all alters appear continuously throughout the series, in season 2, "T" only appears once.
Max's nametag on his Orgolawn uniform reads "Greg Maxson" instead of Max Gregson.
Charmaine was originally not supposed to be a series regular. Rosemarie DeWitt said in an interview that she originally auditioned only for a guest spot.