Arthur Dent

Martin Freeman

Self (archive footage)

Douglas Adams

Zaphod Beeblebrox

Sam Rockwell

Trish McMillan/Trillian

Zooey Deschanel

Ford Prefect

Mos Def

Self

Lalla Ward

Self

Christopher H. Bidmead

Slartibartfast

Bill Nighy

Marvin the Paranoid Android

Alan Rickman

Marvin the Paranoid Android

Warwick Davis

Questular

Anna Chancellor

Humma Kavula

John Malkovich

Pub Customer

Su Elliott

Jeltz (voice)

Richard Griffiths

Fook

Dominique Jackson

Eddie the Computer

Thomas Lennon

Ghostly Image

Simon Jones

Deep Thought (voice)

Helen Mirren

Bulldozer Driver

Mark Longhurst

Prosser

Steve Pemberton

The Book

Stephen Fry

Lunkwill

Jack Stanley

Sperm Whale

Bill Bailey

Barman

Albie Woodington

Vogon Minion

Mason Ball

Vogon Captain

William Todd-Jones

Pub Customer

Su Elliot

Stunt Builder

Barry Dowden

Reporter

Kelly Macdonald

Kwaltz (voice)

Ian McNeice

Vogon Interpreter (voice)

Mak Wilson

Additional Vogon Voices

Mark Gatiss

Gag Halfrunt

Jason Schwartzman

Additional Vogon Voices

Reece Shearsmith

Creature Performer

Sarah Bennett

Creature Performer

Danny Blackner

Creature Performer

Hayley Burroughs

Creature Performer

Cecily Fay

Creature Performer

Aron Freeman

Vogon Soldier

Martine Dawson

Creature Performer

Ian Kay

Creature Performer

Nikki Bond

Vogon Soldier

Simon Hibbs

Creature Performer

Mohsen Nouri

Vogon Soldier

Mike Lewis

Creature Performer

Oliver Parham

Vogon Soldier

Tim Perrin

Creature Performer

Nigel Plaskitt

Creature Performer

Lynn Robertson Bruce

Vogon Soldier

Jerome St. John Blake

Vogon Soldier

Milo Bodrozic

Vogon Soldier

Spencer Wilding

Vogon Soldier

Martin Dawson

Vogon Soldier

Dan Ellis

Vogon Soldier

Steve Grindle

Vogon Soldier

Art Hewitt

Vogon Soldier

Rob Horseman

Vogon Soldier

Patrick Walker

Vogon Soldier

Paul Nathaniel

Vogon Soldier

William Wollen

Vogon Soldier

Jessie Riley

Vogon Soldier

Tucker Stevens

Vogon Soldier

Ashley Stuart

Vogon Soldier

Benjamin Uttley

Vogon Soldier

Ben Uttley

Deep Thought Technician (uncredited)

Edgar Wright

London Citizen

Sean Sollé

Pall Bearer (uncredited)

Mark Rhino Smith