Dermot Mulroney has joined the cast of "Chicago ... Mulroney co-starred in the 1988 western Young Guns, for which he is possibly best known, in which he played "Dirty Steve" alongside Emilio ...
And so when Dermot Mulroney, who had a killer arc at the end of the first season as Nicholas Endicott, stopped by TV Insider’s New York office to chat about his newest role playing the new chief on ...