Arthur Dent

Martin Freeman

Zaphod Beeblebrox

Sam Rockwell

Trish McMillan/Trillian

Zooey Deschanel

Ford Prefect

Mos Def

Slartibartfast

Bill Nighy

Marvin the Paranoid Android

Warwick Davis

Marvin the Paranoid Android

Alan Rickman

Humma Kavula

John Malkovich

Questular

Anna Chancellor

Deep Thought (voice)

Helen Mirren

Pub Customer

Su Elliott

Narrator / The Guide (voice)

Stephen Fry

Fook

Dominique Jackson

Eddie the Computer

Thomas Lennon

The Whale (voice)

Bill Bailey

Ghostly Image

Simon Jones

Bulldozer Driver

Mark Longhurst

Prosser

Steve Pemberton

Lunkwill

Jack Stanley

Sperm Whale

Bill Bailey

Barman

Albie Woodington

Vogon Minion

Mason Ball

Vogon Captain

William Todd-Jones

Stunt Builder

Barry Dowden

Jeltz (voice)

Richard Griffiths

Kwaltz (voice)

Ian McNeice

Additional Vogon Voices (as League of Gentlemen)

Mark Gatiss

Additional Vogon Voices (as The League of Gentlemen)

Reece Shearsmith

Deep Thought Technician

Edgar Wright

Reporter

Kelly Macdonald

Gag Halfrunt

Jason Schwartzman

Vogon Soldier

Spencer Wilding

Vogon Interpreter [Voice]

Mak Wilson

Vogon Soldier

Martine Dawson

Vogon Soldier

Simon Hibbs

Vogon Soldier

Mike Lewis

Vogon Soldier

Tim Perrin

Vogon Soldier

Milo Bodrozic

Vogon Soldier

Dan Ellis

Vogon Soldier

Patrick Walker

Vogon Soldier

William Wollen

Director

Garth Jennings