Walker's Wallace Boden was last seen onscreen in the season 12 finale Eamonn Walker is back on Chicago Fire for one night and one night only. The beloved actor, 62, who exited the series after 12 seasons as a series regular last May,

Eamonn Walker is returning to his Chicago Fire post. First Deputy Commissioner Wallace Boden is back for one night only in the upcoming season 13 episode titled “Post-Mortem,” airing April 16 at 9 p.m. on NBC .

Boden is back at Firehouse 51. Eamonn Walker, who left “ Chicago Fire ” at the end of Season 12, will return for his first time since his 2024 exit, appearing in the April 16 episode, titled “Post-Mortem.”

Chicago Fire lost a member of Firehouse 51 when Sam Carver (Jake Lockett) decided he needed to take a leave of absence to get a handle on his alcohol addiction issue. He confessed to Stella Kidd (Miranda Rae Mayo),

Eamonn Walker will be reprising his role in an upcoming Chicago Fire Season 13 episode, according to TVLine. He’ll appear in Episode 18, airing on Wednesday, April 16, as part of figuring out what happened in a house fire when a firefighter was inside during a collapse. Gary Cole will also appear as Commissioner Grissom in the episode.

Chicago Fire Season 13 has been a rough one for Firefighter Sam Carver. His difficulties track back to the Season 12 finale, where Carver and Violet Mikami went their separate ways after dating for a while.