Elenco (na ordem dos créditos)
Ray D'Arcy
Presenter
Mickey Harte
Self
Simon Casey
Michael Leonard
Catriona McGinty
Brian Ormond
Caoimhe McElhinney
Shauna McElhinney
Susan McFadden
Sarah Brophy
Azi Jegbefume
Joanne Fahy
Catherine Yore
Lisa Bresnan
Susan McGowan
Chris Doran
Kerry Katona
Self - Judge
Sinead Hand
Alan Foran
Kelly Hunter
Eoin O'Callaghan
Ellen Cosgrove
Aidan Donaghy
Karl Fradgley
David Moore
Frank Naughton
Adrian Kenny
Brian Pemberton
Serena Lee
Cathriona Hickey
Colin Melsop
Marc O'Neill
Sarah Corcoran
Dee Daly
Fiona O'Neill
Susan Sheahan
Una O'Riordan
Rebecca O'Connor
Natasha Croghan
Cara McDowell
Leonne Mulryan
Brenda Dunican
Gavin Quinn
Niall Whelehan
Steve Martyn
Sandi McCash
Marie-Therese Martin
Jason Paul Ryan
Andrew Donaghy
Donna Keohane
Paul Donaghy
Chris Farragher
Leonna Lees
Roisin Cooper
Joe Kiernan
Shane Butler
Greg Ryan
Sharon Malloy
Justin McGurk
Martin Delaney
Katrina Lee
Rosemarie Farrell
Rosaleen Herlihy
Derek McMahon
Ronan Keating
Brian McFadden
Brian Kennedy
Keith Molloy
Louise Wallace
Martin Branagan
Pat Shortt
Phil Coulter
Judge (2002-2004)
Linda Martin
Louis Walsh
Darren Smith
Judge (Series 1) (2002-2003)
Jean Elliott
Self (Series 2) (2003-2004)
George Murphy
James Kilbane
Self (Series 2 Runner-Up) (2003-2004)
Martin Cosgrave
Lee Kearney
Peter O'Shaughnessy
Laura Brophy
Gary O'Malley
Ruth Cullen
Gill Blacque
Philip Noone
Kelli McGrory
Fionnuala McElwaine
Lisa McGrory
Teresa Coll
Colin Fahy
Gary Philbin
Corina Brouder
Carlos Asunciou
Self (Series 3) (2004-2005)
Mark Brennan
Michael Carroll
Julie Cunnane
Maire Ide de Bhal
Peter Fagan
Dave Fanning
Judge (Series 3) (2004-2005)
Barbara Galawan
Sarah Goodwin
Wesley Guy
Ann Harrington
David Hope
Hazel Kaneswaran
Wayne Keurns
Fran King
Lorraine Maher
Patrick Mahoney
Donna McCaul
Joseph McCaul
Joleen McLaughlin
Karen McLaughlin
Lorna McLaughlin
Oliver Moore
Sinead Mulvey
Stephen Murray
Aine O'Doherty
Pierce O'Donnell
Sheila O'Sullivan
Yvonne O'Sullivan
David Peyton
George Peyton
Angela Shanny
Caroline Weldon
Elaine Weldon
Kevin Williams