OVERALL: Draw

The BFI has more extras but the Kino has an exclusive commentary. Do note the Kino uses the same master but is slighly cropped.

The cut status is unclear. The original UK cinema release is stated "cut" by the BBFC but the Chief Film Censor at the time John Trevelyan, in his memoirs "What the censor saw", states that "This could have been a very alarming film, but it seemed rather tame and we thought we could probably make it suitable for the 'A' category; but eventually we decided to pass it 'X' without cuts." There is also speculation that the "topless" scene of Janet Munro (at around 45:20) was cut for the original US release. The melonfarmers summarise the situation.
Note that differences in runtimes, e.g. between the BBFC and BFI, are likely due to different distributor logos and dead time, the BFI release contain the "topless" scene.
Thanks also to Rewind user baggish.

CUTS:

• Blu-ray A America- Kino Lorber - No known cuts (99:51).
• Blu-ray B United Kingdom- British Film Institute - No known cuts (99:15).

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Comparison added by Eric_Cotenas on 05/11/14
Comparison last updated by Eric_Cotenas on 30/06/20

UPDATE LOG:

05/11/14: Initial entry.
25/12/14: Addition of DVDActive link.
15/02/15: Added discussion of cut status.
30/06/20: Added Kino.