Patrick McGoohan played Number Six in The Prisoner TV series.
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If you meant the 1960s TV series "The Prisoner" starring Patrick
McGoohan as Number 6 then the series was filmed at Portmeirion in
North Wales , England .
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'I am not a number, I am a free man'. TV series The Prisoner,
but that has nothing to do with the question.
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In the original CBS 1960's TV series with Patrick McGoohan; yes
he escaped and went back to London. I have no idea what happened to
the Prisoner in the recent (2010) series.