 For the third season, ABC Studios will not be involved, with eOne (which had fully acquired the Mark Gordon Company) being the sole production company for the series.After the third season renewal announcement, the producers confirmed that Kiefer Sutherland, Adan Canto, Italia Ricci, Kal Penn and Maggie Q would return as series regulars.On October 18, 2018, casting of Anthony Edwards, Julie White and Elena Tovar in the recurring roles of Mars Harper, Lorraine Zimmer and Isabel Pardo respectively were announced.