The Marvelous Mrs. Maisel is in production on season 4 in New York right now, and they added to the cast today, with Reid Scott and Gideon Glick joining the previously announced John Waters in recurring roles in season 4 of the series. As with when Waters was cast, their roles are being kept a secret, according to Deadline Hollywood. The Marvelous Mrs. Maisel was created by Amy Sherman-Palladino, who executive produces along with Daniel Palladino. Rachel Brosnahan, Alex Borstein, Tony Shalhoub, Marin Hinkle, Michael Zegen, Kevin Pollak, Caroline Aaron, Luke Kirby, and Jane Lynch will all be back for the new season. Marvelous Mrs. Maisel should debut the new season sometime this fall/winter.