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Chicago Fire season 15 episode 6 guest cast includes NCIS star Melinda McGraw

Former NCIS star Melinda McGraw makes her Chicago Fire debut in an episode that features a few familiar faces, including a member of the Chicago Med cast.
ByCody Schultz
Devil's Triangle --  NCIS. Pictured: Melinda McGraw as Diane Sterling
Devil's Triangle -- NCIS. Pictured: Melinda McGraw as Diane Sterling | Cliff Lipson/CBS

Chicago Fire has truly stepped up its guest cast game in season 15! We’re only a few episodes into the new season, and Chicago Fire has brought in some amazing guest stars in pivotal one-off and recurring guest roles, and the list of season 15 guest performers grows once more with the release of the show’s sixth episode. 

Season 15, episode 6 will introduce Violet’s estranged mother, Margaret Mikami, who will be played by NCIS alum Melinda McGraw. McGraw is best known for playing Diane Sterling on CBS’s hit crime drama, the ex-wife of Mark Harmon’s character, Leroy Gibbs. We first met Diane in season 9, but her time on the show came to an end just a few seasons later when Diane was killed off in season 12, though McGraw would reprise the role a few years later for a special guest appearance in NCIS season 16. 

Now, she’s getting the chance to enter another successful television franchise by joining Chicago Fire in a role that is sure to bring some tension and drama for Violet. After teasing Margaret’s arrival in the premiere, we learned in the show’s 300th episode that Violet and her mother weren’t on the best of terms as Violet continued to avoid taking her calls. 

After dodging her mother’s calls for weeks, Violet is about to come face-to-face with her mother as McGraw makes her debut. Her arrival is sure to surprise Violet, who will have a full plate to juggle already as she and Novak work on fundraising for the Joint Duty Program leading to a surprising donation, one we imagine might be coming from her estranged mother. 

Of course, while McGraw is best known for her role on NCIS, she’s made appearances in several hit series over the years, including Charmed, Ghosts, 911, Interrogation, and Paul T. Goldman. 

 (l-r) Jessy Schram, Kim Quindlen, Lorena Diaz, Steven Weber
CHICAGO MED -- "Tomorrow, and Tomorrow, and Tomorrow" Episode 1204 -- Pictured: (l-r) Jessy Schram as Dr. Hannah Asher, Kim Quindlen as Nurse Kacy, Lorena Diaz as Nurse Doris, Steven Weber as Dr. Dean Archer | George Burns Jr/NBC

In addition to McGraw, the episode will feature some amazing guest stars, including Chicago Med’s Kim Quindlen. Quindlen will be making her Chicago Fire debut in the episode, marking the first time we’ll see Nurse Kacy cross over onto Chicago Fire. The episode will also feature a guest appearance from Alex Collins (Stargirl, Lovecraft Country) as Lt. Maletski.

The episode will also welcome back recurring season 15 guest star Carlos Miranda, who will be back as reporter Jacob Morales. We’ve absolutely loved seeing Miranda on Chicago Fire and are enjoying the relationship the show has been exploring through Jacob and Violet. The pair are so cute together, and it’s fun seeing Violet getting a new romantic storyline that has the potential to flourish into something special. 

We’re hoping that Violet and Jacob might prove to be endgame for the show, as we’d love nothing more than to see Violet finally find her person, like so many others have throughout the years. Hopefully, we’ll be seeing more of Jacob as the season progresses, and the writers will give Violet a bit of happiness on the romantic front after the series of heartbreaks she’s endured!

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