Self - Coach (19 episodes)
Self - Guest Judge (1 episode)
Self - Coach (6 episodes)
Self - Performer (1 episode)
Lawrence Faber (2 episodes)
Harold Le Druillenec
Self - Coach (35 episodes)
Self - Participant (1 episode)
Postman Pat (singing voice)
Self - Panelist (1 episode)
James Dickens
Ronan Keating
Self - Judge (158 episodes)
Self - Contestant (1 episode)
Self - Guest Judge (1 episode)
Self (Boyzone)
Self - Boyzone (1 episode)
Self - Performer
Self - Performer
Self - Host (2 episodes)
Self - Presenter (1 episode)
Self (3 episodes)
Self - Host (3 episodes)
Self - Boyzone (4 episodes)