Unusual for a TV show, Banshee has a fitness department that provides the actors with personal trainers to get in shape for the physical demands of the show.
On his first day of shooting, Antony Starr was injured during his first fight scene for the series. According to series co-creator Jonathan Tropper, he had to get 13 stitches in his lip and the producers digitally removed some of the swelling on his lip in other episodes.
After three seasons of physically demanding fight scenes, Antony Starr asked the producers for fewer fight scenes in season four.
Lucas Hood wears the same color scheme in his wardrobe throughout all four seasons in every episode, regardless if it's his sheriff's uniform or other wear: Navy blue, dark gray, and black.
Every episode of seasons 1-3 plus the series finale has a post-credits scene.