Eamonn Walker stars as Battalion Chief Wallace Boden, a fireman’s fireman who is confronted by important personal decisions, in NBC’s drama “Chicago Fire.” As chief of the firehouse, it’s Boden’s job to look out for the lives of the men and women who are the courageous firefighters and paramedics of Firehouse 51.

Walker is a compelling performer known for his depth, integrity and ability to give life to the most layered of characters. He credits Sidney Poitier’s performance in “In the Heat of the Night” as the inspiration that led him to become an actor.  

Born in London,...