Eamonn Walker
Eamonn Walker is a British film, television and theatre actor. In the United States he is known for playing Kareem Sad in the HBO television series Oz, for which he won a CableACE Award, as Winston in In Sickness and in Health and John Othello in the 2001 ITV1 production of Othello. Since 2012 he has played Firehouse 51 Battalion Chief Wallace Boden on Chicago Fire and its spinoff Chicago P.D.
Walker was born in London to a Grenadian father and a Trinidadian mother, in 1962. Brought up in Islington in London, Walker lived in Trinidad for six months when he was nine years old. He attended Hungerford School in Islington and began studying social work at the University of North London. He trained as a dancer and later joined the Explosive Dance Theatre Company in London. However, an abscess on his calf muscle forced him to give up dancing. He also studied at the New York Film Academy in the United States.
Source: Wikipedia