During the fight scene between Rick and the Governor, respective actors Andrew Lincoln and David Morrissey insisted that they film the scene themselves instead of using stunt people. This created a genuineness because the actors have worked together for so long.
Clara, the woman from 30 Days Without an Accident (2013), can be seen as a walker coming through the prison field near the end of the episode.
Too far gone was the name of the 13th volume of the comic series however the two do not share the same story arc that was shown towards the end of season 5
The Governor (David Morrissey) becomes the third person to use Michonne's (Danai Gurira) katana sword on screen in this episode. Merle (Michael Rooker) previously used it in This Sorrowful Life (2013) to dispatch a walker.