Peter Jones

as The Book

Simon Jones

as Arthur Dent

David Dixon

as Ford Prefect

Sandra Dickinson

as Trillian

Mark Wing-Davey

as Zaphod Beeblbrox

Stephen Moore

as Marvin

Richard Vernon

as Slartibartfast

Colin Jeavons

as Max Quordlepleen

Peter Davison

as Dish of the Day

David Prowse

as Bodyguard

Valentine Dyall

as Deep Thought (voice)

Douglas Adams

as Man in Ocean

Aubrey Morris

as Captain

Rayner Bourton

as Newscaster

Martin Benson

as Vogon Captain

Jack May

as Garkbit (Head Waiter)

Barry Frank Warren

as Hotblack Desiato

Beth Porter

as Marketing Girl

David Neville

as Number Two