6 user 25 critic

Goodbye Gemini (1970)

Unnaturally close, jet-setting twins become enmeshed in the Swinging London scene, where their relationship is strained after they befriend a predatory hustler and his girlfriend.




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Cast overview, first billed only:
James Harrington-Smith
Alexis Kanner ...
Clive Landseer
Mike Pratt ...
Rod Barstowe
Marian Diamond ...
Denise Pryce-Fletcher (as Marion Diamond)
David Curry
Peter Jeffrey ...
Detective Inspector Kingsley
Terry Scully ...
Nigel Garfield
Daphne Heard ...
Mrs. McLaren
Laurence Hardy ...
Joseph Fürst ...
Brian Wilde ...
Taxi Driver
Ricky Renée ...
Barry Scott ...


Unnaturally close twin siblings Jacki and Julian become enmeshed in the swinging London scene, where they attract the attention of the heavily endebted gambler Clive. Seeing a way out of his debts, Clive sets Julian up for a blackmail scheme, setting in motion a nightmarish sequence of events. Written by Erich Mees

Plot Summary | Add Synopsis


Jacki and Julian have evil twins. Each other. See more »


R | See all certifications »




Release Date:

16 March 1972 (Mexico)  »

Also Known As:

Twinsanity  »

Company Credits

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Technical Specs


Sound Mix:



Aspect Ratio:

1.78 : 1
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Did You Know?


David Curry: You and I should feel like two old tombstones, my dear. If we're not careful, someone might come up and inscribe us.
See more »


Referenced in The Oral Generation (1970) See more »


Nothing's Good and Nothing's Free
Lyrics by Peter Lee Stirling
Music by Christopher Gunning
Performed by Peter Lee Stirling
See more »

Frequently Asked Questions

See more (Spoiler Alert!) »

User Reviews

Twins make trouble
17 August 2012 | by (United Kingdom) – See all my reviews

Twins arrive in London on an overnight bus wearing matching fluorescent jackets and clutching a teddy-bear (always a sign of evil). They've not even unpacked their bags before they murder their new landlady and get invited to an inevitably swinging' party. Jacki (Judy Geeson) is the female half of the twins and looks lovely even in the aforementioned garment, which is more than can be said for Julian (Martin Potter). He's the possessive twin who swings both ways and whose love for his sister is less than wholesome. They attend a few parties, talk to their teddy and get mixed up with some menacing Earls Court transvestites, a liaison that leads to blackmail and murder.

There's nothing here that can really be called a narrative, it's more like someone thought a swinging London movie with a psycho tilt would be really groovy. However, the film is based upon Ask Agamemnon by Jenni Hall (no, I've never heard of it, either). Despite the wavering storyline it's a strangely compelling film with an admirable wildness. The cast are game, except Michael Redgrave who has the air of an actor unaccustomed to such material. The camera-work from Geoffrey Unsworth is as exceptional as ever, tut the psychotic tone is best summed up by The Peddlers funky theme song: ('when the world comes knocking') Tell The World We're Not In.

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