Kara Killmer

CHICAGO FIRE -- "Funny What Things Remind Us" Episode 904 -- Pictured: Kara Killmer as Sylvie Brett -- (Photo by: Adrian S. Burrows Sr./NBC)

Will Kara Killmer return for Chicago Fire season 13 after that season finale cameo?

Chicago Fire exits in order: Every medic who has left the show

3 One Chicago stars who are willing to return to the franchise

You might have missed this Brett detail on the Chicago Fire finale

CHICAGO FIRE -- "Barely Gone" Episode 12001 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Kara Killmer as Sylvie Brett -- (Photo by: Adrian S Burrows Sr/NBC)

Nobody is talking about the Brett cameo in Chicago Fire's season 12 finale

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)

Why Brett's marriage on Chicago Fire was such a satisfying ending

CHICAGO FIRE -- "Barely Gone" Episode 12001 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Kara Killmer as Sylvie Brett -- (Photo by: Adrian S Burrows Sr/NBC)

Chicago Fire creator on recent cast exits: 'It's a natural progression'

NBC's "One Chicago" Press Day

Chicago Fire stars post heartfelt tributes to Kara Killmer after exit

NBC's "One Chicago" Press Day

Kara Killmer reveals plans for next project after Chicago Fire

CHICAGO FIRE -- "Seeing Is Believing" Episode 808 -- Pictured: Kara Kilmer as Sylvie Brett -- (Photo by: Adrian Burrows/NBC)

Sylvie Brett left Chicago Fire on a high note (but she did almost die)

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 -- "A Couple Hundred Degrees" Episode 911 -- Pictured: Kara Killmer as Sylvie Brett -- (Photo by: Adrian S. Burrows Sr./NBC)

The Chicago Fire romance nobody accepted (including the actors)

CHICAGO FIRE -- "Port in the Storm" Episode 12006 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Christian Stolte as Randy "Mouch" McHolland, Kara Killmer as Sylvie Brett -- (Photo by: Adrian S Burrows Sr/NBC)

Kara Killmer is already hinting at a possible Chicago Fire return

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 -- "A White Knuckle Panic" Episode 915 -- Pictured: Kara Killmer as Sylvie Brett -- (Photo by: Lori Allen/NBC)

Brett chose her maid of honor on Chicago Fire (and nearly got her fired)

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 -- "Barely Gone" Episode 12001 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Kara Killmer as Sylvie Brett -- (Photo by: Adrian S Burrows Sr/NBC)

Kara Killmer's final Chicago Fire episode has been set (and it's sooner than we expected)

CHICAGO FIRE -- "On The Hook" Episode 12005 -- Pictured: (l-r) Hanako Greensmith as Violet Mikami, Miranda Rae Mayo as Stella Kidd, Christian Stolte as Randy "Mouch" McHolland, Kara Killmer as Sylvie Brett -- (Photo by: Adrian S Burrows Sr/NBC)

Chicago Fire promo puts Brett's career (and her freedom) in jeopardy

NBC's Los Angeles Mid-Season Press Junket

Chicago Fire gives fans a first look at Brett's wedding dress options

CHICAGO FIRE -- "What Comes Next" Episode 914 -- Pictured: (l-r) Hanako Greensmith as Violet, Kara Killmer as Sylvie Brett -- (Photo by: Adrian S. Burrows Sr./NBC)

A replacement for Brett?! Chicago Fire boss confirms our suspicions

CHICAGO FIRE -- "Barely Gone" Episode 12001 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Kara Killmer as Sylvie Brett -- (Photo by: Adrian S Burrows Sr/NBC)

Chicago Fire has the potential to pull off one of the best Valentine's Day episodes ever

NBC's Los Angeles Mid-Season Press Junket

Kara Killmer is leaving Chicago Fire and the season 12 premiere might have just revealed when

CHICAGO P.D. -- "Into The Deep" Episode 1007 -- Pictured: Tracy Spiridakos as Hailey Upton -- (Photo

Every One Chicago star who will leave the franchise in 2024

CHICAGO FIRE -- "Hold Our Ground" Episode 810 -- Pictured: Kara Killmer as Sylvie Brett -- (Photo

Kara Killmer posts throwback photos from her Chicago Fire debut

CHICAGO FIRE -- Season: 6 -- Pictured: Kara Kilmer as Sylvie Brett -- (Photo by: John Tsiavis/NBC)

4 Sylvie Brett moments we love on Chicago Fire (and 3 we hate)

CHICAGO FIRE -- Season: 6 -- Pictured: Kara Kilmer as Sylvie Brett -- (Photo by: John Tsiavis/NBC)

Kara Killmer recreates iconic Chicago Fire pose ahead of new season

CHICAGO FIRE -- "The Magnificent City of Chicago" Episode 1022 -- Pictured: (l-r) Kara Killmer as Sylvie Brett, Jesse Spencer as Casey -- (Photo by: Adrian S. Burrows Sr./NBC)

Kara Killmer’s Chicago Fire exit kind of spoils Brett cliffhanger

CHICAGO FIRE -- "Light Things Up" Episode 819 -- Pictured: (l-r) Miranda Rae Mayo as Stella Kidd, Kara Killmer as Sylvie Brett -- (Photo by: Adrian Burrows/NBC)

4 ways Chicago Fire could write Sylvie Brett out of the show