On Sunday, a special opening of Borough Market will see Andy Serkis – Gollum in the Lord of the Rings triology – talking about his role and signing autographs.

One lucky reader can win the chance to present him with the Guinness World Record he has been awarded for the Most Expressive Digital Character in a film. You could also take home a signed copy of the Guinness World Records 2004 edition, signed Lord of the Rings DVDs and tickets to the opening of The Double Bass directed by Andy Serkis. For your chance to win, log on to www.metro.co.uk and click on competitions.