Overview

• HBO Max officially confirmed that Tracy Ifeachor will not return as Dr. Heather Collins in Season 2 of the medical drama.
• Production officially kicked off in mid-June under HBO Max’s renewed order, marking the start of filming for the new season.
• Sepideh Moafi has joined the series as a regular, playing a new attending physician in the ER ensemble.
• No official reason has been disclosed for Ifeachor’s departure, leaving it unclear whether the decision was creative or personal.
• Season 2 will retain its real-time, single-shift format and adds recurring cast members Charles Baker, Irene Choi, Lucas Iverson and Laëtitia Hollard.