Julia Knowles
饰:Himself - Host
Gemma Arterton
饰:Herself
Alan Davies
饰:Himself
饰:Themselves
Lionel Richie
饰:Himself
饰:Himself
Nigel Barber
饰:Commissionaire
Bradley Walsh
饰:Himself - Presenter
Jack Whitehall
饰:Himself - Presenter
Olly Murs
饰:Self
Meghan Trainor
饰:Self
Alfie Boe
饰:Himself
饰:Himself - Host
Barry Manilow
饰:Self
Lisa Scott-Lee
饰:Self
饰:Self
Neil Diamond
饰:Self
Rick Astley
饰:Self
饰:Self
Josh Groban
Joey Essex
饰:Self
饰:Self
饰:Themselves
饰:Themselves
饰:Little Jack Whitehall
Killian Donnelly
饰:Self
饰:Self
饰:Self
Paloma Faith
饰:Self
Art Garfunkel
饰:Self
Rebecca Ferguson
饰:Self
饰:Self
饰:Self
Leona Lewis
饰:Self
André Rieu
饰:Self
Andrea Bocelli
饰:Self
Craig Ashley David
饰:Self
饰:Self
饰:Self
饰:Themselves
饰:Self
饰:Self
Daniel Sloss
饰:Self
Flavia Cacace
饰:Self
Tom Fletcher
饰:Self
饰:Self
James Blunt
饰:Self
Nicole Scherzinger
饰:Self
Sarah Millican
Martin Kemp
饰:Self
饰:Self
饰:Self
Rozonda 'Chilli' Thomas
饰:Self
Ronan Keating
饰:Self
饰:Themselves
Julian Ovenden
饰:Self
饰:Self
Pixie Lott
饰:Self
Cyndi Lauper
饰:Self
饰:Self
饰:Self
Peter Andre
饰:Self
Jimmy Carr
饰:Himself - Presenter
饰:Self
Diversity
饰:Themselves
Gregory Porter
饰:Self
Tommy Tiernan
饰:Self
饰:Themselves
Rob Brydon
饰:Self - Host
Alexander Armstrong
饰:Himself - Presenter
Norman Barrett
饰:Self
Jennifer Hudson
饰:Self
饰:Self
Lee Latchford-Evans
饰:Self
Claire Richards
饰:Self
Sophie Stanton
饰:Self
饰:Themselves
Rob Beckett
饰:Self
饰:Self
Siobhan Fahey
饰:Self
Sara Dallin
饰:Self
James Arthur
饰:Self
Nina Conti
饰:Self
饰:Self
Jo Brand
饰:Self
饰:Self
Ben Forster
饰:Self
饰:Self
Markus Michael Patrick Feehily
饰:Self
Lang Lang
饰:Self
Alistair McGowan
饰:Self
饰:Self
Joe McElderry
饰:Self
Romesh Ranganathan
饰:Self
饰:Self
饰:Themselves
Christopher Biggins
饰:Self
Jasmine Van den Bogaerde
饰:Self
饰:Themselves
饰:Self
Jacqui Abbott
饰:Self
Joe Lycett
饰:Self
饰:Self
Andrea Corr
饰:Self
饰:Self
饰:Themselves
Lea Michele
饰:Self
Tom Allen
饰:Self
饰:Self
Andrew Lloyd Webber
饰:Self
Maroon 5
饰:Themselves
饰:Self
Vincent Simone
饰:Self
饰:Self
Danny Jones
饰:Self
Deborah Harry
饰:Self
David Collins
饰:Self
Shane Dundas
饰:Self
Margaret LeAnn Rimes
饰:Self
饰:Self
饰:Self
饰:Self
饰:Self
Will Young
饰:Self
饰:Self
饰:Self
Ruth Langsford
饰:Self
Brian Blessed
饰:Self - Voice Over
Paul Sinha
饰:Self
Nathan Sykes
饰:Self
Bryan Adams
饰:Himself
Paul Farrer
Mark Goodwin
Mark Wybourn
Mark Goodwin
Mark Wybourn