- The Gilded Age is welcoming a number of new guest stars for series 4, including Snow White’s Andrew Burnap.
- Jim Gaffigan, Dallas Roberts, and Elizabeth Marvel have also joined the cast as guest stars for the upcoming season, which does not yet have a public release date.
- Kelley Curran, who portrays Enid "Turner" Winterton, has been promoted to the main cast for series 4.
- Gaffigan will play Grover Cleveland, the 22nd US President, with Roberts cast as Daniel Manning, his Secretary of the Treasury.
- Marvel is set to portray Virginia Saville, a nurse, while Burnap will play Porter, an Ivy League gentleman with investment interests.