- Shay Mitchell as TBA - 0/TBA
- The show was originally set to be in production on Bravo network, however, ABC has also committed to a pilot order for the show.
- On August 4, 2017, Gina Girolamo cryptically tweeted to David Deal that they have a deal for the show, and used the tag, "#Heiresses2018".
- Initially pitched for Bravo, a pilot order by showrunner Marlene King, the pitch fell through. This lead to ABC picking up the series and giving it a Pilot order.
- The pilot is set to be produced in August 2018, meaning that the show will air in the 2019 or 2020 season if is picked up by ABC.