Chicago Fire 6×10 “Slamigan” Season 6 Episode 10 Promo – Dawson (Monica Raymund) and Casey (Jesse Spencer) do everything they can to locate Bria’s (guest star Quinn Cooke) whereabouts after discovering important new information. Lt. Severide (Taylor Kinney) reunites with Chief Grissom (guest star Gary Cole), and old family friend. Meanwhile, Cruz (Joe Minoso) enlists the help of Brett (Kara Killmer) and Mouch (Christian Stolte) to create a new tool and Kidd (Miranda Rae Mayo) and Zach (guest star Daniel Di Tomasso) go on a date. Eamonn Walker, David Eigenberg and Yuri Sardarov star. Jon Seda, Randy Flagler and Tony Ferraris guest star.