Bill Nighy Slartibartfast
Helen Mirren Deep Thought (voice)
Martin Freeman Arthur Dent
Sam Rockwell Zaphod Beeblebrox
Jason Schwartzman Gag Halfrunt (uncredited)
John Malkovich Humma Kavula
Anna Chancellor Questular Rontok
Alan Rickman Marvin (voice)
Zooey Deschanel Trillian
Kelly Macdonald Reporter
Stephen Fry Narrator / The Guide (voice)
Mark Gatiss Additional Vogon Voices
Richard Griffiths Jeltz (voice)
Edgar Wright Deep Thought Technician (uncredited)
Thomas Lennon Eddie the Computer (voice)
Steve Pemberton Mr. Prosser
Warwick Davis Marvin
Reece Shearsmith Additional Vogon Voices
Simon Finney "A" Camera Operator
Ian McNeice Kwaltz (voice)
Spike Jonze Thanks
Bill Bailey The Whale (voice)
Yasiin Bey Ford Prefect
Garth Jennings Director
Jay Roach Producer
Simon Jones Ghostly Image
Jerome St. John Blake Vogon Soldier
Douglas Adams Novel, Screenplay, Executive Producer
Karey Kirkpatrick Screenplay
Spencer Wilding Vogon Soldier
Chris Lyons Special Effects Makeup Artist
Cecily Fay Creature Performer
Jim Dowdall Stunt Coordinator
Bruce Bigg Property Master
Bobby Prince Unit Manager
Mark Rhino Smith Pall Bearer (uncredited)
Roger Birnbaum Producer
Peter Gleaves ADR Mixer
Gary Barber Producer
Duncan Jarman Prosthetic Makeup Artist
Jonathan Glickman Producer
Nathaniel De'Lineadeus Special Effects Makeup Artist
Paul Edwards Steadicam Operator
Albie Woodington Barman
Nikita Rae Hairstylist
Dean Clegg Assistant Art Director
Joel Collins Production Design
Jeffrey Chernov Production Executive
Sammy Sheldon Costume Design
Andy Shelley Dialogue Editor
Jemma Scott-Knox-Gore Contact Lens Technician
Mike Valentine Underwater Camera
John Marzano Aerial Director of Photography
Michael Connell Supervising Music Editor
Andy Bennett Stunts
Joey Coughlin Electrician
Su Elliot Pub Customer
Angus Bickerton Visual Effects Supervisor
Frank Walsh Supervising Art Director
Peter Heslop Unit Production Manager
Mark Bakowski Digital Compositor
Phil Sims Art Direction
Demetri Jagger Video Assist Operator
Alastair Sirkett Sound Designer, Sound Effects Editor
Eddie Knight Gaffer
Mark Appleby ADR Recordist
Jack Stew Foley Artist
Mark Holding Sound Mixer
Matthew Smith Prosthetic Makeup Artist
David Decio Third Assistant Director
Diane Greaves Foley Artist
Paul Gooch Makeup Artist