Jason Beghe

Eventually claiming P.D. scene-stealer status, Upton's first day with Intelligence was intense.

The Chicago P.D. star shared the go-to early morning meal he's eaten since he was a child.

Firehouse 51, Gaffney's finest, and P.D.'s Intelligence Unit are coming together to save the day on Wednesday, January 29. 

Voight's former partner became the Intelligence Unit's biggest enemy in P.D. Seasons 4 and 5.

Chi-Hards will never forget Intelligence Unit O.G. Jay Halstead and his infinite insight.

Olinsky's untimely death absolutely rocked the Intelligence Unit on Chicago P.D., but most of all Voight.

Seasons 2 and 3 of Chicago P.D. were made even more thrilling with Geraghty's Sean Roman on the squad.

The Chicago P.D. star looks nearly unrecognizable in this amazing throwback.

The Intelligence Unit's former tech wizard was a fan favorite during the early days of P.D.

Jason Beghe explains how Voight really feels about Chapman's startling confession in Season 12, Episode 4's "The After."

Sara Bues plays ASA Chapman, who has a complicated relationship with Voight.

Sgt. Hank Voight has been a widower since Chicago P.D. began in 2014 — but what happened to his wife?

You’ll never guess who brings the laughs on the P.D. set.

The Chicago P.D. stars clearly have fun behind-the-scenes.

The beloved late Intelligence Unit cop seemed to return from the dead in the Season 11 finale. But is he back for good?

The Chicago P.D. star's main method for staying in shape involves his green thumb. 

The Chicago P.D. star was in a car accident that briefly ended his life: "It changed me." 

It's been a stunning 11 seasons for the polarizing leader, and whose character has come a long way. 

Fans got a pleasant surprise when a certain detective returned for an emotional scene in the Season 11 finale.

"I think it's if not the best, one of our best episodes ever," revealed the Chicago P.D. star.