Eamonn Walker Departs 'Chicago Fire' After 12 Seasons

The long-time actor steps down as Chief Wallace Boden but may return in a recurring role.

Walker has been with the show since its debut in 2012, appearing in 252 episodes.
His character, Chief Boden, is promoted to Deputy Commissioner in the season 12 finale.
Walker is the third regular to exit the series this season, following Alberto Rosende and Kara Killmer.
The show has seen numerous cast changes over its 12-season run, with several original members leaving.
Walker is expected to make occasional appearances in future seasons.