Recurring Guest Characters John Barrowman 1 guest appearances Nicholas Hoult 1 guest appearances Fergie 1 guest appearances Catherine Tate 1 guest appearances Lee Mack 1 guest appearances Chris Fountain 1 guest appearances Beverley Knight 1 guest appearances Nigel Kennedy 1 guest appearances Gok Wan 1 guest appearances Shane Lynch 1 guest appearances Martha Wainwright 1 guest appearances Adele 1 guest appearances Jonathan Ross 1 guest appearances Kevin Bishop 1 guest appearances Sharleen Spiteri 1 guest appearances Chris Addison 1 guest appearances Jason Donovan 1 guest appearances Solange Knowles 1 guest appearances Jimmy Carr 1 guest appearances Alan Davies 1 guest appearances ⇤ « 1 2 3 4 5 » ⇥