Goodbye Gemini
- Blwyddyn: 1970
- Gwlad: United Kingdom, United States of America
- Genre: Drama, Thriller, Horror
- Stiwdio: Josef Shaftel Productions
- Allweddair: london, england, blackmail, hustler, exploitation, twins
- Cyfarwyddwr: Alan Gibson
- Cast: Judy Geeson, Martin Potter, Michael Redgrave, Alexis Kanner, Freddie Jones, Mike Pratt