During the series pilot of The Unit, Blane takes down a private jet with five terrorists on board, incurring the wrath of the FBI for violating the Posse Comitatus Act. The Unit - Wikipedia He later tries to kill Ryan while on a combat mission but eventually cannot bring himself to do so, mindful of his own adultery with Crystal, as well as a threesome he had with a pair of Russian prostitutes while on foreign assignment. Charles Grey The Unit Trivia. Between the 1st and 2nd seasons of the show their son, Theodore "Teddy" Roosevelt Brown, is born. When Charles is injured while the team rescues a journalist Jonas must try to save his life and still keep the mission on track, but it may not be enough. Charles Grey | Encyclopedia.com She appears in: "Switchblade" (2008, episode 4.11), "The Last Nazi" (2009, episode 4.14), "Flesh & Blood" (2009, episode 4.17), "Best Laid Plans" (2009, episode 4.18), "Unknown Soldier" (2009, episode 4.22). In "Pandemonium, Part 2", Blane states his rank as command sergeant major, his uniform rank is sergeant major. He is portrayed by Michael Irby. At the start of the third season, Gerhardt was brutally tortured by the CIA, but later released soon after other team members threatened members of the CIA. Master Sergeant MacDonald James "Mack" Gerhardt, call sign: Dirt Diver (portrayed by Max Martini), is a former US Army Ranger and paratrooper with the 101st Airborne, and a senior Unit operator. Michael Irby - Internet Movie Firearms Database - Guns in Movies, TV Leaving Mack Gerhardt in charge of the team Jonas works through his feelings with the help of his daughter and father, both of whom also experience post traumatic stress disorder (his father also a soldier who won the Silver Star during the Korean War), the storyline allowing the series to address the issue of the treatment of traumatized soldiers returning from Iraq and Afghanistan. The Unit (TV Series 2006-2009) Michael Irby as Charles Grey. He customarily uses a Sig Sauer 9mm pistol, the same weapon as Hector.