Jack Bronis, born Jack B. Ungeheuer, is a Chicago based actor and author who portrayed various characters on Chicago Fire. His other credits include Early Edition, Chicago Overcoat, Utopia, and The Bear.
Biography：Jack Bronis, born Jack B. Ungeheuer, is a Chicago based actor and author who portrayed various characters on Chicago Fire. His other credits include Early Edition, Chicago Overcoat, Utopia, and The Bear.
