Gary Sinise Unit Chief Jack Garrett Actor Alana De La Garza Clara Seger Actor Daniel Henney Matthew Simmons Actor Tyler James Williams Russ "Monty" Montgomery Actor Annie Funke Mae Jarvis Actor Mandy June Turpin Guest Star Juliette Angelo Guest Star Scott Christopher Guest Star Nicholas Massouh Guest Star Cas Anvar Guest Star John Minch Guest Star Anne Bedian Guest Star Jay Abdo Guest Star Atif Hashwi Guest Star Sonya Walger Guest Star Nihan Gur Guest Star Ben Maccabee Guest Star Mark Gordon Executive Producer Erica Messer Executive Producer Nicholas Pepper Executive Producer Tim Clemente Writer Matt Earl Beesley Director