Antony Cotton, who plays Coronation Street's Sean Tully, has pledged his future to the soap for another year by signing a new 12-month deal last Friday.The Mirror also reports that Antony has turned down a part in comedy Benidorm. This has been confirmed by Antony on Twitter as he says: "Sadly, I am not doing Benidorm! Couldn't because of Corrie's 50th."