Seance on a Wet Afternoon
- Blwyddyn: 1964
- Gwlad: United Kingdom
- Genre: Crime, Thriller, Drama
- Stiwdio: Allied Film Makers, Beaver Films
- Allweddair: london, england, husband wife relationship, based on novel or book, ransom, kidnapping, medium, working class, black and white, mental illness, occult, séance, british new wave, loss of child, stillbirth
- Cyfarwyddwr: Bryan Forbes
- Cast: Kim Stanley, Richard Attenborough, Margaret Lacey, Marie Burke, Maria Kazan, Lionel Gamlin