Eccentric aliens give a man the power to do anything he wants to determine if Earth is worth saving.
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
