Goodbye Gemini (1970)

Goodbye Gemini (aka Twinsanity) is a 1970 British thriller, starring Judy Geeson and Martin Potter. Directed by Alan Gibson, it was based on the novel Ask Agamemnon by Jenni Hall.

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Cast:

• Marion Diamond
• Judy Geeson
• Laurence Hardy
• Daphne Heard
• Peter Jeffrey
• Freddie Jones
• Joseph Fürst
• Alexis Kanner
• Martin Potter
• Mike Pratt
• Michael Redgrave
• Ricky Renée
• Barry Scott
• Terry Scully
• Brian Wilde