John T. OBrien is an American actor, writer and musician best known for his roles on the TV series Chicago Fire (NBC), No Apologies (Fox) and In An Instant (ABC). He wrote, executive produced and starred in Dad Man Walking, an original pilot for television directed by Clare Cooney. He was born in Chicago where he studied acting and improvisation.
John T. O’Brien
Movies
Bobby
Tuesday, June 4, 1968: the California Presidential primary. As day breaks, Robert F. Kennedy arrives at the Ambassador Hotel. He’ll campaign, then speak to supporters at midnight. To capture the texture of the late 1960s, we see vignettes at the hotel: a couple marries so he can avoid Vietnam, kitchen…
Fun Facts
He attended St. Ignatius College Prep and also trained at the Second City Conservatory and iO in Chicago.