In reply to Alastair Lee:
As opposed to the Northern Premiere
http://www.mountainfest.co.uk/programme/event/film-premiere-the-last-great-...
Don't worry this is nothing compared to a few years back when a film featuring Joe Simpson was billed as a Premiere at Kendal, only to be shown on channel 4 the week before. I forget who introduced it, saying that it was not the film everyone had just seen on C4. Sadly there was no, "Oh yes it is!" from the audience.
Interesting to see an adventure film making it to Leicester Square though, very impressive.