Brian Dennehy Brian Dennehy

Brian Dennehy will be in full bloom on TNT's Bunker Hill.

According to The Hollywood Reporter, the stage and screen vet has signed on to star in the upcoming drama as a mob boss-turned-flower shop owner.

Dennehy joins Donnie Wahlberg and Bridget Moynahan in the series, which revolves around a police officer, Mike Moriarty (Wahlberg), working to protect his Boston hometown from crime and corruption. Moynahan will play the widow of a cop and Moriarty's sister-in-law.

Dennehy, who kicked off his career with guest spots in Kojak and Dynasty, was most recently seen on the small screen as Teamster Mickey J in a May episode of 30 Rock.