Trivia: At the beginning of each episode, those are the faces of real inmates.
Trivia: The call sign for the mobile command center is SHIELD 616. Earth-616 is the name for the primary universe in Marvel comics.
Trivia: Anna Walton, who plays Diane de Poitiers, is only 3 years older than Torrance Coombs, who plays her son Sebastian.
Trivia: Former adviser to President Ronald Reagan, Lt. Col. Oliver North, served as a consultant for several episodes.
Episode #1.5 - S1-E5
Trivia: Tommy Flanagan plays Arthur Shelby Sr, father to Arthur (Paul Anderson) and Tommy (Cillian Murphy). In real life, Flanagan is only 11 years older than Murphy and 13 years older than Anderson. (Incidentally, Arthur is 3 years older than Tommy despite Anderson being 2 years younger than Murphy).
Trivia: Linda Hamilton says to Nolan and Irisa "Come with me if you want to live." This is the exact same line Arnold Schwarzenegger says to Linda Hamilton in the movie The Terminator.