Tracy Spiridakos

CHICAGO P.D. -- "The Living and The Dead" Episode 11007 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo by: Lori Allen/NBC)

Tracy Spiridakos books first new acting role after leaving Chicago PD

5 reasons we'd love FBI to add Chicago PD's Upton to the cast

Former Chicago PD stars spark romance rumors after sharing sweet photos from European adventures

Chicago PD posts Upton throwback pic as season 12 starts production

CHICAGO P.D. -- "New Guard" Episode 918 -- Pictured: (l-r) Tracy Spiridakos as Hailey, Jesse Lee Soffer as Jay Halstead -- (Photo by: Lori Allen/NBC)

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

CHICAGO P.D. -- "Closer" Episode 916 -- Pictured: (l-r) Jesse Lee Soffer as Jay Halstead, Tracy Spiridakos as Hailey -- (Photo by: Lori Allen/NBC)

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

2017 Summer TCA Tour - NBC Press Tour - Arrivals

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?