Tracy Spiridakos

CHICAGO P.D. -- "Equal Justice" Episode 806 -- Pictured: (l-r) Tracy Spiridakos as Hailey Upton, LaRoyce Hawkins as Kevin Atwater, Jesse Lee Soffer as Jay Halstead -- (Photo by: Matt Dinerstein/NBC)

Chicago PD posts Upton throwback pic as season 12 starts production

One Chicago stars celebrate Jesse Lee Soffer's return to TV on social media

Chicago PD cameos: Which cast members have appeared on FBI?

Tracy Spiridakos reunites with Chicago PD cast after recent exit

CHICAGO P.D. -- "More" Episode 11013 -- Pictured: (l-r) Tracy Spiridakos as Hailey Upton, Bojana Novakovic as Josephine Petrovic -- (Photo by: George Burns Jr/NBC)

Chicago PD boss gives update on Upton's season 12 replacement

CHICAGO P.D. -- "No Way Out" Episode 909 -- Pictured: Tracy Spiridakos as Hailey -- (Photo by: Lori Allen/NBC)

Tracy Spiridakos reunites with former Chicago PD star on Instagram

CHICAGO P.D. -- "White Knuckle" Episode 802 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Matt Dinerstein/NBC)

Tracy Spiridakos clarifies the plan for Upton's career post-Chicago PD

NBC's "One Chicago" Press Day

Tracy Spiridakos posts heartwarming BTS photos after Chicago PD exit

CHICAGO P.D. -- "No Way Out" Episode 909 -- Pictured: (l-r) Tracy Spiridakos as Hailey, Jesse Lee Soffer as Jay Halstead -- (Photo by: Lori Allen/NBC)

Chicago PD considered bringing Halstead back for Upton's exit (here’s why they didn’t)

CHICAGO P.D. -- "Intimate Violence" Episode 715 -- Pictured: (l-r) Jesse Lee Soffer as Jay Halstead, Tracy Spiridakos as Hailey Upton -- (Photo by: Matt Dinerstein/NBC)

Tracy Spiridakos picks favorite Chicago PD episode after her exit

CHICAGO P.D. -- "Safe" Episode 814 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Lori Allen/NBC)

Chicago PD boss reveals original plans for Hailey Upton's final episode

5th Annual NBC Chicago Press Day

Tracy Spiridakos is open to joining FBI after leaving Chicago PD

CHICAGO P.D. -- "Still Water" Episode 913 -- Pictured: Tracy Spiridakos as Hailey -- (Photo by: Lori Allen/NBC)

Chicago PD stars discuss shocking finale cameo: "It was really emotional"

CHICAGO P.D. -- "Unpacking" Episode 11001 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Lori Allen/NBC)

Here's how Hailey Upton left Chicago PD during the season 11 finale

CHICAGO P.D. -- "More" Episode 11013 -- Pictured: (l-r) Tracy Spiridakos as Hailey Upton, Bojana Novakovic as Josephine Petrovic -- (Photo by: George Burns Jr/NBC)

Chicago PD boss explains how Petrovic plays a role in Upton's exit

CHICAGO P.D. -- "Center Mass" Episode 714 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Elizabeth Sisson/NBC)

Tracy Spiridakos breaks silence on why she's leaving Chicago PD

CHICAGO P.D. -- "Inventory" Episode 11012 -- Pictured: (l-r) Bojana Novakovic as Josephine Petrovic, Tracy Spiridakos as Hailey Upton -- (Photo by: Lori Allen/NBC)

Chicago PD finale teases a "vital decision" for Hailey Upton

CHICAGO P.D. -- "Equal Justice" Episode 806 -- Pictured: (l-r) Tracy Spiridakos as Hailey Upton, LaRoyce Hawkins as Kevin Atwater, Jesse Lee Soffer as Jay Halstead -- (Photo by: Matt Dinerstein/NBC)

Tracy Spiridakos posts birthday tribute to Chicago PD co-star

CHICAGO P.D. -- "Water Line" Episode 11011 -- Pictured: (l-r) Jason Beghe as Hank Voight, Tracy Spiridakos as Hailey Upton -- (Photo by: Lori Allen/NBC)

Chicago PD promo photos reveal when Upton is leaving the show

CHICAGO P.D. -- "Escape" Episode 11004 -- Pictured: (l-r) Tracy Spiridakos as Hailey Upton, LaRoyce Hawkins as Kevin Atwater -- (Photo by: Lori Allen/NBC)

Chicago PD star reflects on Upton's exit: "It's very heartbreaking"

"Wolf" Photocall - 62nd Monte Carlo TV Festival

Tracy Spiridakos debuts new hairstyle after wrapping Chicago PD

CHICAGO P.D. -- "Center Mass" Episode 714 -- Pictured: (l-r) Tracy Spiridakos as Hailey Upton, Jesse Lee Soffer as Jay Halstead -- (Photo by: Elizabeth Sisson/NBC)

Tracy Spiridakos posts birthday tribute to ex PD star Jesse Lee Soffer

"Wolf" Photocall - 62nd Monte Carlo TV Festival

Chicago PD producer releases Tracy Spiridakos tribute video

CHICAGO P.D. -- "Equal Justice" Episode 806 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Matt Dinerstein/NBC)

Chicago PD sets up Upton's final arc in new promo

CHICAGO P.D. -- "Sympathetic Reflex" Episode 1006 -- Pictured: (l-r) LaRoyce Hawkins as Kevin Atwater, Marina Squerciati as Kim Burgess, Patrick John Flueger as Adam Ruzek, Jason Beghe as Hank Voight -- (Photo by: Lori Allen/NBC)

Which Chicago PD actor has appeared in the most episodes?

2018 Chicago Press Day

Tracy Spiridakos posts set photo on Instagram ahead of S11 exit

CHICAGO P.D. -- "Retread" Episode 11002 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Lori Allen/NBC)

Chicago PD might have already introduced Upton's replacement

CHICAGO P.D. -- "Lines" Episode 718 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Matt Dinerstein/NBC)

Chicago PD star address Upton S11 death rumors: 'I hope not'