Overview

• Gehlfuss will reprise Dr. Will Halstead for the first time since his 2023 exit.
• Season 11 premieres Oct. 1 on NBC, produced by Universal Television and Wolf Entertainment.
• It is not yet known how many episodes he will appear in or the narrative reason for his return.
• The character last departed at the end of Season 8 after relocating away from Chicago.
• The move fits the show’s recent strategy of selective legacy returns, and any link to current storylines remains unconfirmed.