Jesse Spencer

CHICAGO FIRE -- "Escape Route" Episode 908 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Adrian S. Burrows Sr./NBC)

Jesse Spencer's Chicago Fire exit and returns explained: Why he left and what brought him back

Is Jack Damon supposed to be the new Casey on Chicago Fire?

Gone for good? Chicago Fire star sells his Illinois loft for $1.4 million

Chicago Fire stars post heartfelt tributes to Kara Killmer after exit

CHICAGO FIRE -- "Port in the Storm" Episode 12006 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Jesse Spencer as Matt Casey -- (Photo by: Adrian S Burrows Sr/NBC)

Chicago Fire confirms Brettsey wedding reception will be at [SPOILER]

Chicago Fire 12x06 Promo "Port in the Storm" (HD) Sylvie Brett Farewell Episode

Chicago Fire: 4 familiar faces return for Brett and Casey's wedding (watch the promo)

CHICAGO FIRE -- "My Lucky Day" Episode 905 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Adrian S. Burrows Sr./NBC)

Chicago Fire is about to bring back some familiar faces (including an original star)

CHICAGO FIRE -- "Funny What Things Remind Us" Episode 904 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Adrian S. Burrows Sr./NBC)

Chicago Fire provides first look at Casey's season 12 return (finally!)

CHICAGO FIRE -- "Infection, Part I" Episode 805 -- Pictured: (l-r) Taylor Kinney as Lt. Kelly Severide, Jesse Spencer as Matthew Casey, Kara Killmer as Sylvie Brett -- (Photo by: Matt Dinerstein/NBC)

A Chicago Fire timeline of Matt Casey and Sylvie Brett's romance

CHICAGO FIRE -- "Red Waterfall" Episode 1122 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Alberto Rosende as Blake Gallo, Jake Lockett as Carver, Miranda Rae Mayo as Stella Kidd -- (Photo by: Adrian S Burrows Sr/NBC)

Chicago Fire star reveals secret to keeping the show ‘fresh’

CHICAGO FIRE -- "Danger Is All Around" Episode 1118 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Jesse Spencer as Matthew Casey -- (Photo by: Lori Allen/NBC)

3 One Chicago couples we’re rooting for (and 1 we hope breaks up)

CHICAGO FIRE -- "Danger Is All Around" Episode 1118 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Jesse Spencer as Matthew Casey -- (Photo by: Lori Allen/NBC)

This Chicago Fire plot hole has fans scratching their heads

CHICAGO FIRE -- "Red Waterfall" Episode 1122 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Christopher Allen as Dylan -- (Photo by: Adrian S Burrows Sr/NBC)

3 storylines that desperately need closure in Chicago Fire season 12

CHICAGO FIRE -- "Headlong Toward Disaster" Episode 315 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Kara Kilmer as Sylvie Brett -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire: Jesse Spencer picks surprising favorite episode

CHICAGO FIRE -- "Headlong Toward Disaster" Episode 315 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Kara Kilmer as Sylvie Brett -- (Photo by: Elizabeth Morris/NBC)

Jesse Spencer sees ‘potential’ in returning to Chicago Fire full-time

CHICAGO FIRE -- "Damage Control" Episode 1115 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Christian Stolte as Randy “Mouch” McHolland -- (Photo by: Adrian S Burrows Sr/NBC)

The 3 best (and 3 worst) Chicago Fire characters

CHICAGO, IL - APRIL 10: Jesse Spencer and Taylor Kinney attend TV Guide Celebrates Cover Stars Taylor Kinney & Jesse Spencer at RockIt Ranch on April 10, 2017 in Chicago, Illinois. (Photo by Timothy Hiatt/Getty Images)

Will Severide and Casey reunite in Chicago Fire season 12?

CHICAGO FIRE -- "The Right Thing" Episode 1004 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Adrian S. Burrows Sr./NBC)

How old is Matt Casey on Chicago Fire?

CHICAGO FIRE -- "Red Waterfall" Episode 1122 -- Pictured: Jesse Spencer as Matthew Casey -- (Photo by: Adrian S Burrows Sr/NBC)

What’s next for Casey in Chicago Fire season 12?

CHICAGO FIRE -- "Red Waterfall" Episode 1122 -- Pictured: (l-r) Alberto Rosende as Blake Gallo, Jake Lockett as Carver, Miranda Rae Mayo as Stella Kidd -- (Photo by: Adrian S Burrows Sr/NBC)

Chicago Fire characters who probably won’t be back in season 12

CHICAGO FIRE -- "Red Waterfall" Episode 1122 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Christopher Allen as Dylan -- (Photo by: Adrian S Burrows Sr/NBC)

Chicago Fire star shares extra Brettsey footage on Instagram

CHICAGO FIRE -- "Red Waterfall" Episode 1122 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Miranda Rae Mayo as Stella Kidd, Alberto Rosende as Blake Gallo, Jake Lockett as Carver -- (Photo by: Adrian S Burrows Sr/NBC)

Is anyone confirmed to be leaving Chicago Fire? (2023 cast updates)

CHICAGO FIRE -- "Red Waterfall" Episode 1122 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Kara Killmer as Sylvie Brett -- (Photo by: Adrian S Burrows Sr/NBC)

Chicago Fire: Will Brett say no to Casey’s proposal?

CHICAGO FIRE -- "Red Waterfall" Episode 1122 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Kara Killmer as Sylvie Brett -- (Photo by: Adrian S Burrows Sr/NBC)

Chicago Fire spoilers: Did Brett say yes to Casey’s proposal?

CHICAGO FIRE -- "Danger Is All Around" Episode 1118 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Kara Killmer as Sylvie Brett -- (Photo by: George Burns Jr/NBC)

Is Casey coming back to Chicago Fire for good? (Spoilers)

CHICAGO FIRE -- "Danger Is All Around" Episode 1118 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Jesse Spencer as Matt Casey -- (Photo by: George Burns Jr/NBC)

3 Chicago Fire characters who left Chicago for other jobs

CHICAGO FIRE -- "Danger Is All Around" Episode 1118 -- Pictured: (l-r) Jesse Spencer as Matthew Casey, Kara Killmer as Sylvie Brett -- (Photo by: George Burns Jr/NBC)

Chicago Fire photos: First look at Casey in the season 11 finale!

CHICAGO FIRE -- "Danger Is All Around" Episode 1118 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Jesse Spencer as Matthew Casey -- (Photo by: Lori Allen/NBC)

Chicago Fire: S11 Finale trailer hints at Brettsey reunion