Jack Huston based his character Richard Harrow partially on a young, shell-shocked soldier whose story is told in the documentary Let There Be Light (1980), directed by Huston's grandfather, John Huston.
The episode won an Emmy Award for Outstanding Cinematography for a Single-Camera Series.
Nucky (Steve Buscemi) talks about a catcher's mitt he owned that was signed by Hardy Richardson. Richardson only played the position of catcher while in the minor leagues, playing for the Gloucester City, New Jersey club in 1875.