Calificación
Reparto

James Corden
Paul Potts

Alexandra Roach
Julz

Julie Walters
Yvonne

Colm Meaney
Roland Potts

Jemima Rooper
Hydrangea

Mackenzie Crook
Braddon

Trystan Gravelle
Matthew

Sion Tudor Owen
Choirmaster

Alex Macqueen
Dr. Thorpe

Miriam Lucia
Signora Fiorentino

Stanley Townsend
Luciano Pavarotti

Di Botcher
Nurse

Jon Wennington
Talent Show Punter (uncredited)