Cast a Dark Shadow
- taona: 1955
- Firenena: United Kingdom
- Genre: Thriller
- Studio: Angel Productions
- Keyword: based on play or musical, film noir, british noir, gold digger, wealthy widow, wife murder
- tale: Lewis Gilbert
- Cast: Dirk Bogarde, Margaret Lockwood, Kay Walsh, Kathleen Harrison, Robert Flemyng, Mona Washbourne