Wikimedia Commons/The Pitt TV show TV Dr. Samira Mohan exits The Pitt in Season 3. Ayesha Harris promoted to series regular. See how the show mirrors real hospital staff changes. April 13, 2026 AceShowbiz - The Pitt is undergoing a significant cast change ahead of its third season. Supriya Ganesh, who portrays senior day shift resident Dr. Samira Mohan, is leaving the series, as confirmed by TVLine. This marks another notable departure following Tracy Ifeachor's exit after Season 1. In contrast, Ayesha Harris, who has appeared recurrently as senior night shift resident Dr.