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
Zooey Deschanel Trillian
Alan Rickman Marvin (voice)
Stephen Fry Narrator / The Guide (voice)
Kelly Macdonald Reporter
Mark Gatiss Additional Vogon Voices
Edgar Wright Deep Thought Technician (uncredited)
Thomas Lennon Eddie the Computer (voice)
Richard Griffiths Jeltz (voice)
Warwick Davis Marvin
Steve Pemberton Mr. Prosser
Simon Finney "A" Camera Operator
Reece Shearsmith Additional Vogon Voices
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
Jim Dowdall Stunt Coordinator
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
Bobby Prince Unit Manager
Roger Birnbaum Producer
Peter Gleaves ADR Mixer
Bruce Bigg Property Master
Gary Barber Producer
Mark Rhino Smith Pall Bearer (uncredited)
Sammy Sheldon Costume Design
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
Rosemary Burrows Costume Supervisor
Mark Bakowski Digital Compositor
Joel Collins Production Design
Jeffrey Chernov Production Executive
Marcia Ross Casting
Diane Greaves Foley Artist
Andy Shelley Dialogue Editor
Jemma Scott-Knox-Gore Contact Lens Technician
David Decio Third Assistant Director
Mike Valentine Underwater Camera
Paul Gooch Makeup Artist
Michael Connell Supervising Music Editor
Joey Coughlin Electrician
Su Elliot Pub Customer
Alastair Sirkett Sound Designer, Sound Effects Editor
John Marzano Aerial Director of Photography
Angus Bickerton Visual Effects Supervisor
Frank Walsh Supervising Art Director
Peter Heslop Unit Production Manager
Tony Currie ADR Editor
Liz Tagg Hair Designer, Makeup Designer
Phil Sims Art Direction
Mark Hopkins Set Runner
Demetri Jagger Video Assist Operator
Tim Dean Libra Head Technician