Main Characters
Recurring Guest Characters
Louis Walsh
2 guest appearances
Robert Webb
2 guest appearances
Joanna Lumley
2 guest appearances
Sandi Toksvig
2 guest appearances
Natalie Imbruglia
2 guest appearances
Katie Melua
2 guest appearances
Melanie C
2 guest appearances
Westlife
2 guest appearances
Michael Douglas
2 guest appearances
Selena Gomez
2 guest appearances
Jennifer Lopez
2 guest appearances
Josh Groban
2 guest appearances
Sandra Bullock
2 guest appearances
Gwyneth Paltrow
2 guest appearances
Mo Farah
2 guest appearances
Chris Pine
2 guest appearances
Gerard Butler
2 guest appearances
John Malkovich
2 guest appearances
Minnie Driver
2 guest appearances