Jesse Spencer, Kara Killmer Matt Casey (Jesse Spencer) will return to the team for the suspenseful Chicago Fire finale, but what about Severide (Taylor Kinney)? This will be Spencer’s second guest appearance of Season 11 and undoubtably Casey’s reappearance has an emotional impact on his ex, Sylvie Brett (Kara Killmer) who was just beginning to adjust … Continue reading Chicago Fire filming wraps on Tuesday with a visit from Jesse Spencer