Any Dream Will Do (judge)
Dancing on Ice (participant)
Eurovision: Making Your Mind Up (judge)
I'd Do Anything (judge)
Never Mind the Buzzcocks (guest host)
Glasgow born actor who spent much of his childhood in the US. While he's been in several West End musicals, and had a brief period presenting children's programmes, he's probably destined to be best known by the British public for his role as Captain Jack Harkness in Doctor Who and Torchwood.
He now is one half of a production company "Barrowman Barker Productions" which made the BBC show Tonight's the Night. The other half is Gavin Barker.