John Malkovich Humma Kavula
Helen Mirren Deep Thought (voice)
Martin Freeman Arthur Dent
Sam Rockwell Zaphod Beeblebrox
Kelly Macdonald Reporter
Bill Nighy Slartibartfast
Jason Schwartzman Gag Halfrunt (uncredited)
Zooey Deschanel Trillian
Mark Gatiss Additional Vogon Voices
Alan Rickman Marvin (voice)
Warwick Davis Marvin
Steve Pemberton Mr. Prosser
Stephen Fry Narrator / The Guide (voice)
Anna Chancellor Questular Rontok
Richard Griffiths Jeltz (voice)
Ian McNeice Kwaltz (voice)
Edgar Wright Deep Thought Technician (uncredited)
Spike Jonze Thanks
Yasiin Bey Ford Prefect
Thomas Lennon Eddie the Computer (voice)
Reece Shearsmith Additional Vogon Voices
Jay Roach Producer
Garth Jennings Director
Karey Kirkpatrick Screenplay
Bill Bailey The Whale (voice)
Simon Finney "A" Camera Operator
Frazer Fennell-Ball Other
Diane Greaves Foley Artist
Mark Rhino Smith Pall Bearer (uncredited)
Simon Jones Ghostly Image
Albie Woodington Barman
Peter Gleaves ADR Mixer
Douglas Adams Executive Producer, Novel, Screenplay
Jemma Scott-Knox-Gore Contact Lens Technician
Su Elliot Pub Customer
Jim Dowdall Stunt Coordinator
Jerome St. John Blake Vogon Soldier
Andy Bennett Stunts
Spencer Wilding Vogon Soldier
Cecily Fay Creature Performer
Mark Bakowski Digital Compositor
Vanessa Baker ADR Voice Casting
Gary Barber Producer
Chris Croucher Crowd Assistant Director
John Marzano Aerial Director of Photography
Richard Baker Digital Compositors
Chris Lyons Special Effects Makeup Artist
Peter Heslop Unit Production Manager
Igor Jadue-Lillo Director of Photography
Ian Kay Creature Performer
Chris Rosewarne Propmaker
John Gamble First Assistant Camera
Angus Bickerton Visual Effects Supervisor
Terence Madden Other
Dominique Jackson Fook
Jonathan Glickman Producer
Duncan Jarman Prosthetic Makeup Artist
Stewart Monteith Best Boy Electric
Roger Birnbaum Producer
Andy Fowler Visual Effects Producer
Paul Drenning ADR Mixer
Demetri Jagger Video Assist Operator
Liz Tagg Hair Designer, Makeup Designer
Bjørn Ole Schroeder ADR Supervisor
Chas Bain Focus Puller
Ian Wilson Supervising Sound Editor
John Arnold Key Grip
Tim Dean Libra Head Technician
Mark Appleby ADR Recordist
Mak Wilson Vogon Interpreter (voice)
Sarah Bennett Creature Performer
Joey Coughlin Electrician