Wendy Toye, who directed this segment, also directed the 1950s movie version of the same story, The Stranger Left No Card (1952), which won an award at Cannes.
This episode marks actress Jennifer Connelly's screen debut at the age of 11. She is the girl who, with the boy, follows the stranger from the train station throughout the first few minutes of the episode.
The pub "The Hog In Amour" in Norwich had since been renamed to "The Strangers Tavern" maybe in a nod to the title, A Stranger In Town.
The second of three appearances by Jean Kitson, the others being S2 E6, Fat Chance (1980) and S5 E16, A Man with a Fortune (1982). As of February 2021, these were Jean's only on screen performances.
The second of three appearances by Giles Phibbs, the others being S3 E1, The Flypaper (1980) and S7 E12, Accidental Death (1984).