49 Fun Facts About Chicago P.D.

Which network broadcasts Chicago P.D.?

NBC. The network ordered the spin-off in May 2013, a few days before the try-out episode introducing its police unit had even aired on Chicago Fire.

Who created Chicago P.D.?

Dick Wolf. The Law & Order creator and co-creator Matt Olmstead built the show around Hank Voight, who had first appeared on Chicago Fire as a corrupt cop and that show's villain.

Which night of the week was Chicago P.D.'s regular time slot throughout its first 13 seasons?

Wednesday. It arrived in January 2014 as a midseason replacement at 10 p.m. and stayed put; from 2018 Chicago Med and Chicago Fire were moved to the same night to lead into it.

Chicago P.D. follows the patrol officers and Intelligence Unit of which fictional police district?

21st. The district is invented but its station house is real: the exterior is an 1888 Chicago police station that the city force left in 1998, and it now houses a university's campus police.

At which bar, owned by Chicago Fire characters, do Chicago P.D.'s detectives drink?

Molly's. Three Firehouse 51 colleagues, Herrmann, Otis and Gabby Dawson, bought the bar together in Chicago Fire's first season, and it became the after-work haunt of cops and medics across the Chicago shows.

Which Chicago Fire lieutenant did Voight clash with after his son's DUI accident?

Matthew Casey. He was first on the scene and meant to report that Voight's son had been drinking, so Voight tried a bribe, then threats, and ended up under arrest himself.

Where did Hank Voight work before taking command of Intelligence on Chicago P.D.?

The Gang Unit. Voight was a gang detective with a dirty-cop reputation when he debuted on Chicago Fire; he went to jail, then walked out with a promotion to run Intelligence.

What was the name of Hank Voight's late wife on Chicago P.D.?

Camille. Together she and Voight took in the troubled teenager Erin Lindsay and raised her alongside their own son, which is why Lindsay is closer to him than anyone in the unit.

Erin Lindsay first worked for Hank Voight as what?

Confidential informant. Voight caught the teenage Erin in trouble on the streets and made her his informant to keep her out of jail; she grew up to be a detective in his own unit.

Who plays Detective Antonio Dawson on Chicago P.D.?

Jon Seda. He left during season 4 to star in the legal spin-off Chicago Justice, then came straight back to P.D. when that show was cancelled after a single season.

Which painkiller does Antonio Dawson become dependent on in season 6 of Chicago P.D.?

Oxycodone. He began taking it for a shoulder injury, and the habit cost him his career: after a dealer kidnapped his daughter, Antonio killed the man and later resigned.

Which One Tree Hill star played Detective Erin Lindsay on Chicago P.D.?

Sophia Bush. She left the show in 2017 after four seasons, so Lindsay was written out: she assaults a suspect in custody late in season 4 and leaves Chicago in the finale.

Where does Erin Lindsay take a job when she leaves Chicago P.D. at the end of season 4?

The FBI in New York. After she assaulted a suspect in custody, Internal Affairs closed in, so Voight quietly arranged the federal job to get her out before she could be fired.

Who plays Detective Jay Halstead on Chicago P.D.?

Jesse Lee Soffer. He left the cast three episodes into season 10, then came back months later on the other side of the camera to direct his first episode, 'Deadlocked'.

In which country does Jay Halstead take an Army job hunting drug cartels when he leaves Chicago P.D.?

Bolivia. Halstead quit early in season 10 because he could no longer stomach the grey areas the unit worked in, and went back to the Army he had once served as a Ranger.

Whom does Jay Halstead marry in season 9 of Chicago P.D.?

Hailey Upton. The two detectives were partners on the job first, and the marriage did not outlast his exit from the show: she files for divorce at the start of season 11.

On Chicago P.D., what is the nickname of Adam Ruzek's father, a veteran patrol cop?

Disco Bob. Jack Coleman plays the long-serving patrolman, who worked alongside Voight years before his own son ended up taking Voight's orders.

Who recruited Adam Ruzek straight out of the academy to work undercover on Chicago P.D.?

Alvin Olinsky. Intelligence needed an undercover officer no criminal had seen, so he took Ruzek right out of the academy and then became the rookie's partner.

What job did Kim Burgess hold before becoming a Chicago P.D. officer?

Flight attendant. Burgess traded the cabin for a patrol car, then worked her way up: into the Intelligence Unit in season 4 and to detective in season 12.

Who played Chicago P.D.'s Kevin Atwater for 13 seasons?

LaRoyce Hawkins. An original cast member, he was reported in July 2026 to be leaving as a regular, returning only to close Atwater's story early in season 14.

Which season-one Chicago P.D. character turned out to be a reluctant Internal Affairs mole?

Sheldon Jin. An Internal Affairs sergeant had leverage over the unit's tech expert and forced him to report on Voight; Jin was found murdered in the season finale.

Which actor played Hank Voight's old friend Alvin Olinsky for the first five seasons of Chicago P.D.?

Elias Koteas. His character was killed off at the end of season 5, yet Koteas returned in the season 11 finale as a vision that appears to Voight while he is held captive.

How does Alvin Olinsky die at the end of Chicago P.D.'s fifth season?

Stabbed in prison. Olinsky was awaiting trial for a killing Voight had carried out, the revenge murder of his son's killer, after Olinsky's DNA turned up on the body.

Who plays desk sergeant Trudy Platt on Chicago P.D.?

Amy Morton. In season 4 her Platt is attacked on the way to her car and her father is murdered, and, still injured, she sets out after the killer herself.

Which Chicago Fire character is Trudy Platt of Chicago P.D. married to?

Randy 'Mouch' McHolland. Fellow firefighters gave him the nickname because he is so often on the firehouse couch watching television: half man, half couch.

Which Chicago P.D. officer left for San Diego after being wounded?

Sean Roman. Brian Geraghty's character was told his injury would keep him off patrol, so he resigned and asked Burgess to move west with him; she stayed with the force.

Who plays the robbery-homicide detective brought in as Erin Lindsay's replacement on Chicago P.D.?

Tracy Spiridakos. Her detective left the unit in the season 11 finale, straight after rescuing Voight from the serial killer who had kidnapped him.

On which series did Chicago P.D.'s Hailey Upton spend a 2020 crossover in New York?

FBI. Voight signed her up for a loan to the Bureau's New York office as a punishment after she went too far to protect a colleague, and in 'Emotional Rescue' her methods clash with its by-the-book agents.

Which rookie replaced Antonio Dawson in Chicago P.D.'s Intelligence Unit in season seven?

Vanessa Rojas. Lisseth Chavez's rookie came from undercover work and lasted one season: the actress took a role on Legends of Tomorrow, and the show never said where Rojas went.

Which Chicago P.D. officer with a complicated past did Jay Halstead take under his wing?

Dante Torres. Benjamin Levy Aguilar played him in a single season 9 episode, then came back as a regular in season 10, just as his mentor Halstead was written out.

From which federal agency does Eva Imani transfer to Chicago P.D.'s Intelligence Unit in season 13?

ATF. Arienne Mandi's agent helped on the case that got the suspended unit reinstated, so Voight offered her a place on the team and she traded her federal badge for a city one.

Which new Intelligence detective is murdered in season 12, prompting Kiana Cook's arrival?

Toya Turner's character helped catch the killer, then moved to the 17th District after the unit was disbanded.

The first Chicago Fire and Chicago P.D. crossover begins with a bomb at which building?

A hospital. The bomb goes off beside a charity run at Chicago Med, injuring Burgess's young niece, and the hunt for the bombers concludes in the P.D. episode '8:30 PM'.

Which Law & Order series joined Chicago Fire and Chicago P.D. for their first three-way crossover in 2014?

Special Victims Unit. A Chicago house fire exposed a child-abuse ring reaching to New York, and the case turned personal when Lindsay's long-missing half-brother was found among its victims.

Which escaped criminal do New York and Chicago hunt in the crossover 'Nationwide Manhunt'?

The story concluded in 'The Song of Gregory William Yates'.

What does a bioterrorist spread through the city in the three-show Chicago crossover 'Infection'?

Flesh-eating bacteria. The story ran across Chicago Fire, Med and P.D. in a single night in 2019, with victims dying within a day while Med's doctors raced to find an antibiotic that worked.

What was the working title of Chicago Justice, the legal spin-off launched from Chicago P.D.?

Chicago Law. Renamed before it aired, the show was cancelled after one season, and its investigator Antonio Dawson simply went back to his old desk in Intelligence.

Which Rocky star played State's Attorney Mark Jefferies in the Chicago P.D. spin-off Chicago Justice?

Carl Weathers. His prosecutor outlived the show: the year after Chicago Justice was cancelled, Weathers played Jefferies once more in an episode of a Law & Order series.

What is the name of the orphaned girl Kim Burgess adopts on Chicago P.D.?

Makayla. Burgess and Ruzek found the girl wandering the streets after her family was murdered, and Burgess became her guardian, turning the on-and-off couple into parents.

Chicago P.D.'s station exterior, a real 1888 Chicago police station, also appeared in which classic cop show?

Hill Street Blues. From 1981 to 1986 a patrol car roared out of the old Maxwell Street station's garage in that show's opening shot, three decades before Voight's unit moved in.

What is the nickname of Erin Lindsay's troubled mother on Chicago P.D.?

Bunny. Barbara Fletcher keeps pulling her daughter back toward drink and pills, so when Voight takes Erin back into the unit he makes cutting off all contact with her a condition.

Which Hollywood legend's son was cast as a Chicago P.D. officer but left over creative differences before the show premiered?

Scott Eastwood. Clint Eastwood's son appeared in the try-out episode on Chicago Fire alongside Tania Raymonde, but both quietly left over creative differences before the series itself began.

Which actor has played Hank Voight since his debut as a corrupt cop on Chicago Fire?

Jason Beghe. In 2017, after the show's network and producers had investigated his behaviour on set, he apologised publicly and said he had been working with a coach to control his temper.

Which Chicago P.D. officer raises his younger brother and sister on his own while working patrol?

Kevin Atwater. After his brother testified about a crime he had seen and their sister was threatened over it, Atwater sent both to live with an aunt in Texas for their safety.

What kind of business does Antonio Dawson run on the side in Chicago P.D.?

A boxing gym. The ring was Antonio's outlet in a difficult adolescence, and the actor who plays him shares it: he was a real amateur boxer, runner-up in New Jersey's Golden Gloves.

Which police superintendent and candidate for mayor tries to bring down Chicago P.D.'s Intelligence Unit in season 6?

Brian Kelton. John C. McGinley's superintendent reopened a killing the unit had covered up, planning to disband it once he was mayor, and was found shot dead in the season finale.

What is the name of Hank Voight's son, whose murder ends the third season of Chicago P.D.?

Justin. The young Army veteran was murdered in the season 3 finale, and his father's revenge on the killer came back to haunt the whole unit two seasons later.

As of 2026, which streaming service is the home of Chicago P.D. in the United States?

Peacock. It belongs to Comcast, which also owns the show's studio, Universal Television, so each new episode lands there the day after it airs.

Which Chicago Fire character's death drives the crossover 'Three Bells'?

Leslie Shay. The paramedic died on a call at a burning building, and it only emerged later that the fire was no accident: a serial arsonist had set it.