Casts
Simon Pegg
Neil Clarke
Kate Beckinsale
Catherine
Robin Williams
Dennis the Dog (voice)
Rob Riggle
Grant
Sanjeev Bhaskar
Ray
Joanna Lumley
Fenella
Marianne Oldham
Rosie
Eddie Izzard
Headmaster
Robert Bathurst
James Cleverill
John Cleese
Chief Alien (voice)
