- Country: USA
- Genres: Comedy, Drama
- Release: 1966-12-28
- Director: Arthur John
- Writers: Forest Russell
- Language: English
- Stars: Billy Green Bush , Monica Davis , Alan Dellay , Uta Erickson , Barbara Kemp , Sharon Kent , David Kirk , Patricia McNair , Alan North , Lane Smith
- Runtime: 78 min
- Awards: N/A
- AKA: Unholy Matrimony (United States of America) , Unholy Matrimony , Unholy Matrimony (United Kingdom)
- Plot: Sexual indiscretions are used as a basis for blackmail.
- IMDB:tt0153446
Unholy Matrimony Cast · · · ALL
Arthur John
Director
Uta Erickson
Sugar
David Kirk
Mr. Bremmer
Sharon Kent
Photographer's Model
Billy Green Bush
Eavesdropping Husband
Patricia McNair
Eavesdropping Wife
Monica Davis
Mrs. M - First Swinging Wife
Alan North
Mr. M - First Swinging Husband
Lane Smith
Partygoer