- Laura Aikman
- Young Valerie
- Mark Heap
- The Regency Dandy
- Sophie Thompson
- Valerie
- Stephen Fry
- Narrator
- Jane Horrocks
- The Aviator
- Guy Henry
- Martin
- Tom Lenk
- Alex
- Johnny Vegas
- Robert / Botty
- Brian Bovell
- Ralph
- Kiell Smith-Bynoe
- Young Ralph
- Tony Way
- Peter
- James McClelland
- Toilet Man
- Joseph Emms
- RAF Officer
- Sean Patrick Brooks
- Prince John
- Simon Killick
- Rick
- Ruth Syratt
- Ruth
- Harry Belcher
- Nick
- Emma Beth Jones
- Bride
- Anya Rivers
- Tracy
- Ash J. Surrey
- The Captain
- Kyley Winfield
- T.E.S.T.I.S. inventor
- Megan Stevenson
- Megan
