Simon Jones

Arthur Dent

David Dixon

Ford Prefect

Peter Jones

The Book

David Learner

Marvin

Douglas Adams

Man in Pub (uncredited)

Stephen Moore

Marvin (voice)

Richard Vernon

Slartibartfast

Martin Benson

Vogon Captain

Cleo Rocos

Alien

David Prowse

Bodyguard

Jon Glover

Management Consultant

Beth Porter

Marketing Girl

Valentine Dyall

Deep Thought

Peter Davison

Dish of the Day

Aubrey Morris

Captain

Antony Carrick

Lunkwill

Jack May

Garkbit (Head Waiter)

Geoffrey Beevers

Number Three

David Leland

Majikthise

Colin Jeavons

Max Quordlepleen

Joe Melia

Mr. Prosser

Sandra Dickinson

Trillian

Mark Wing-Davey

Zaphod Beeblebrox

David Tate

Benjy Mouse (voice)

Rayner Bourton

Newscaster

Steve Conway

Barman

Michael Cule

Vogon Guard

Matthew Scurfield

Number One

Timothy Davies

Fook

Barry Frank Warren

Hotblack Desiato

Andrew Mussell

Alien

David Neville

Number Two

Gil Morris

Gag Halfrunt

Charles McKeown

Vroomfondel

Colin Bennett

Zarquon

Matt Zimmerman

Sooty

Marc Smith

Bang Bang

David Rowlands

Hairdresser