In August: Osage County, Mulroney plays the fiancé of Karen Weston, played by Juliette Lewis. His character is smarmy from the start, but crosses the line towards predator when he makes a move on ...

Chicago Fire is losing a main character — at least for now — as the cast member goes on hiatus for the rest of the season.

Dermot Mulroney Says 'There Is Talk' of Making a Sequel to Beloved '90s RomCom originally appeared on Parade. Actor Dermot Mulroney has some exciting news for fans of his 1997 romantic comedy, My Best ...

Chicago Fire is bringing in a replacement for Dermot Mulroney amid the actor’s hiatus from the show. News broke on Thursday, ...