"Eccentric aliens give a man the power to do anything he wants to determine if Earth is worth saving."
Simon Pegg
as Neil Clarke
Kate Beckinsale
as Catherine
Robin Williams
as Dennis the Dog (voice)
Rob Riggle
as Grant
Sanjeev Bhaskar
as Ray
Joanna Lumley
as Fenella
Marianne Oldham
as Rosie
Eddie Izzard
as Headmaster
Robert Bathurst
as James Cleverill
John Cleese
as Chief Alien (voice)
Judy Loe
as Canteen Lady
Professor Brian Cox
as Self
Meera Syal
as Fiona
Emma Pierson
as Miss Pringle
David Annen
as Newsreader
Mairi McHaffie
Gavin Scott
Terry Gilliam
as Nasty Alien (voice)
Eric Idle
as Salubrious Gat (voice)
Terry Jones
as Scientist Alien (voice) / Van Driver
Michael Palin
as Kindly Alien (voice)
Alexa Davies
as Sandwich Girl
Neville Phillips
as Author
Ronan Summers
as Security Man
Jud Charlton
as Mortician
James Kermack
as Policeman
Lennon Clarke
as Bank Robber
Director
Screenplay
Writer
Peter Hannan
Director of Photography
Julian Rodd
Editor
Irene Lamb
Casting
James Acheson
Production Design
Lucy Cork
Stunt Double
Naomi Moore
Set Decoration
George Fenton
Original Music Composer
Costume Design
Bill Jones
Producer
Ben Timlett
Mike Medavoy
Executive Producer
Jennifer Bell
Hairstylist
Rob Hemmings
Animation Director
Martyn Smith
Animation
Beranger Maurice
Matt Fidler
Oriol Navarro
John Kay
Sun Xiaoxuan
Dong Yixue
Xie Liyan
Yan Yan
Xu Yueyuan
Du Wenlong
Tan Weijian
Li Jingxin
Josie Morgan
Production Assistant
