Justin Fletcher
Shaun / Timmy (voice)
John Sparkes
Bitzer / The Farmer (voice)
Omid Djalili
Trumper (voice)
Rich Webber
Shirley (voice)
Kate Harbour
Timmy's Mum / Meryl (voice)
Tim Hands
Slip (voice)
Simon Greenall
Twins (voice)
Andy Nyman
Nuts (voice)
Emma Tate
Hazel (voice)
Jack Paulson
Celebrity with Hair Trouble (voice)
Sean Connolly
Maitre D / Golfer / Stylists / Angry Panto Horse / Hospital Characters (voice)
Henry Burton
Junior Doctor / Animal Containment Visitor (voice)
Dhimant Vyas
Hospital Consultant (voice)
Sophie Laughton
Animal Containment Visitor (voice)
Nia Medi James
Operatic Sheep (voice)
Stanley Unwin
Bus Station Announcer / Hospital Announcer (voice) (archive footage)
Nick Park
Himself (voice) (uncredited)