Kara Killmer 8 Reasons for Leaving Chicago Fire Show

Kara Killmer's character, Sylvie Brett, is leaving "Chicago Fire" after 10 seasons.

In Season 12, Brett accepts a proposal from Matthew Casey and decides to move with him to Portland to start their married life together.

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The departure is driven by their long-standing will-they-won't-they dynamic and the desire to be together full-time.

Brett also becomes the legal guardian of a baby named Julia in Season 11.

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Sylvie Brett, a paramedic, has been a regular character since Season 3 and appeared in other One Chicago shows.

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Off-camera, Kara Killmer enjoys a playful relationship with co-stars, particularly "The Ladies" or "Fire Trio" Miranda Rae Mayo and Hanako Greensmith.

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