David Tennant has been talking about rumours that he is to return to Doctor Who.
The sci-fi drama is to celebrate its 50th anniversary in 2013, with several former stars rumoured to be returning.
Discussing a possible reappearance on G4's Attack on the Show!, Tennant said: "I cannot be drawn on anything.
"Who knows what will happen next year? I'm sure there are lots of plans being discussed."
He added: "I am not confirming nor denying anything."
The Scots actor was the tenth Doctor and was in the show between 2005 and 2010.
Meanwhile, in the 2006 episode Fear Her, the Doctor was seen lighting the Olympic Flame.
David joked about his absence from London opening ceremony, saying: "What happened? What went wrong? I was waiting for the phone call... there was an online petition apparently, which the London Organising Committee chose to ignore!"
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