Thursday 2 February 2012 3.33pm
This would only apply if you were making a request under the Freedom of Information Act. You would only do this if the CCTV was operated by a public body, and you were requesting footage of other people.
If you were requesting footage of yourself, from any public or private operator, you would make a Subject Access Request under the Data Protection Act, and this specifically deals with personal information.
Near the bottom of this page
"If, however, other people are identifiable in the CCTV pictures, then the images would be considered personal information and it is likely they would be exempt from the Freedom of Information Act."