During the funeral scene inside the church, Sorcha Cusack's modern-day eyeglasses can be seen appearing and disappearing from her face several times between shots.
Audio sounds like a significant rainstorm is happening when the body is discovered, but little to no rain is shown upon the characters.
The cakes on the table outside include Mr Kipling French Fancies but were never available in the 1950s setting for this drama having only been introduced since 1967.