Chicago Med Celebrates 200th Episode With Original Actor Nick Gehlfuss Returning as Dr. Will Halstead

Chicago Med will celebrate its milestone 200th episode on October 8 with the return of original cast member Nick Gehlfuss as Dr. Will Halstead, marking his first appearance since leaving the show after Season 8. Halstead is seen arriving at Gaffney carrying an injured patient, signaling a dramatic entry that ties into the episode's storyline. Showrunner Allen MacDonald confirmed plans to bring back original cast members for Season 11, and Gehlfuss is set to guest star in multiple episodes, reuniting with former colleagues. The episode aims to honor the show's history while advancing current storylines, including Halstead's ties to his ex-fiancée Dr. Natalie Manning and her son Owen. This return follows previous guest appearances by former cast members and highlights the season's mix of nostalgia and new drama. Fans are eagerly anticipating how Halstead's comeback will unfold, particularly with the backdrop of the show's long-running success and recent plot developments.