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James Corden as Paul Potts |
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Alexandra Roach as Julz |
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Julie Walters as Yvonne |
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Colm Meaney as Roland Potts |
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Jemima Rooper as Hydrangea |
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Mackenzie Crook as Braddon |
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Trystan Gravelle as Matthew |
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Sion Tudor Owen as Choirmaster |
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Alex Macqueen as Dr. Thorpe |
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Miriam Lucia as Signora Fiorentino |
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Stanley Townsend as Luciano Pavarotti |
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Di Botcher as Nurse |
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Jon Wennington as Talent Show Punter (uncredited) |
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Owen Hunte as Friend in Bar (uncredited) |
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Brandon Whitt as Buncle son (uncredited) |
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Evan Whitt as Buncle son (uncredited) |
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Valeria Bilello as |
| Writing | Justin Zackham | Screenplay |
| Directing | David Frankel | Director |
| Sound | Theodore Shapiro | Original Music Composer |
| Production | ჰარვი ვაინსტინი | Executive Producer |
| Camera | Florian Ballhaus | Director of Photography |
| Production | Michael Menchel | Producer |
| Production | Brad Weston | Producer |
| Editing | Wendy Greene Bricmont | Editor |
| Production | Bob Weinstein | Executive Producer |
| Production | Simon Cowell | Producer |
| Production | Jane Hooks | Co-Producer |
| Production | Steve Whitney | Executive Producer |
| Production | Kris Thykier | Producer |
| Costume & Make-Up | Donald McInnes | Hairstylist |
| Art | Martin Childs | Production Design |
| Art | Nick Dent | Supervising Art Director |
| Costume & Make-Up | Colleen Kelsall | Costume Design |
| Production | Dan Hubbard | Casting |
| Costume & Make-Up | Christine Blundell | Makeup Artist |
| Costume & Make-Up | Christina Baker | Hairstylist |
| Costume & Make-Up | Alexandra Joyce | Hairstylist |
| Art | James Wakefield | Art Direction |
| Costume & Make-Up | Christina Baker | Makeup Artist |
| Costume & Make-Up | Alexandra Joyce | Makeup Artist |
| Art | Celia Bobak | Set Decoration |
| Costume & Make-Up | Christine Blundell | Hairstylist |
| Directing | James Manning | Second Assistant Director |
| Camera | Peter Byrne | Focus Puller |
| Camera | Daniele Massaccesi | Camera Operator |
| Costume & Make-Up | Chris Lyons | Special Effects Makeup Artist |
| Costume & Make-Up | Nathaniel De'Lineadeus | Special Effects Makeup Artist |
| Costume & Make-Up | Donald McInnes | Makeup Artist |
| Sound | Marko Costanzo | Foley Artist |
| Sound | Tom Fleischman | Sound Re-Recording Mixer |
| Sound | Dana Sano | Music Supervisor |
| Sound | ტეილორ სვიფტი | Songs |
| Sound | Jack Antonoff | Songs |
