- Peter Jones
- Â The Book 6 episodes, 1981
- Simon Jones
- Â Arthur Dent 6 episodes, 1981
- David Dixon
- Â Ford Prefect 6 episodes, 1981
- Sandra Dickinson
- Â Trillian 5 episodes, 1981
- Mark Wing-Davey
- Â Zaphod Beeblebrox 5 episodes, 1981
- Stephen Moore
- Â Marvin / ... 4 episodes, 1981
- David Learner
- Â Marvin 4 episodes, 1981
- David Tate
- Â Eddie / ... 2 episodes, 1981
- Martin Benson
- Â Vogon Captain 2 episodes, 1981
- Richard Vernon
- Â Slartibartfast 2 episodes, 1981
- Rayner Bourton
- Â Newscaster 2 episodes, 1981
- Joe Melia
- Â Mr. Prosser 1 episode, 1981
- Jack May
- Â Garkbit (Head Waiter) 1 episode, 1981
- Steve Conway
- Â Barman 1 episode, 1981
- Aubrey Morris
- Â Captain 1 episode, 1981
- Colin Jeavons
- Â Max Quordlepleen 1 episode, 1981
- Antony Carrick
- Â Lunkwill 1 episode, 1981
- Cleo Rocos
- Â Alien 1 episode, 1981
- Michael Cule
- Â Vogon Guard 1 episode, 1981
- Matthew Scurfield
- Â Number One 1 episode, 1981
- Timothy Davies
- Â Fook 1 episode, 1981
- Barry Frank Warren
- Â Hotblack Desiato 1 episode, 1981
- Andrew Mussell
- Â Alien 1 episode, 1981
- David Prowse
- Â Bodyguard 1 episode, 1981
- David Leland
- Â Majikthise 1 episode, 1981
- David Neville
- Â Number Two 1 episode, 1981
- Gil Morris
- Â Gag Halfrunt 1 episode, 1981
- Charles McKeown
- Â Vroomfondel 1 episode, 1981
- Geoffrey Beevers
- Â Number Three 1 episode, 1981
- Colin Bennett
- Â Zarquon 1 episode, 1981
- Beth Porter
- Â Marketing Girl 1 episode, 1981
- Matt Zimmerman
- Â Shooty 1 episode, 1981
- Marc Smith
- Â Bang Bang 1 episode, 1981
- David Rowlands
- Â Hairdresser 1 episode, 1981
- Peter Davison
- Â Dish of the Day 1 episode, 1981
- Jon Glover
- Â Management Consultant 1 episode, 1981
- Valentine Dyall
- Â Deep Thought 1 episode, 1981
- Douglas Adams
- Â Man in Ocean / ... (uncredited) 2 episodes, 1981
- Adam Tandy
- Â Young Conservative (uncredited) 1 episode, 1981
- Ralph G. Morse
- Â Young Scientist (uncredited) 1 episode, 1981
- Peter Roy
- Â Limousine Chauffeur (uncredited) 1 episode, 1981
- John Gregg
- Â Pilot (uncredited) 1 episode, 1981
- Laurie Goode
- Â Jogger (uncredited) 1 episode, 1981
- John Dair
- Â Rich Merchant (uncredited) 1 episode, 1981
- Jill Goldston
- Â Grumpy Londoner (uncredited) 1 episode, 1981
- Susie Silvey
- Â Handmaiden (uncredited) 1 episode, 1981
- Zoe Hendry
- Â Co-Pilot (uncredited) 1 episode, 1981
- James Muir
- Â Vl'Hurg Leader (uncredited) 1 episode, 1981
- Eddie Sommer
- Â Magrathean Robot (uncredited) 1 episode, 1981
- Marilyn Gothard
- Â Woman (uncredited) 1 episode, 1981
- David Grahame
- Â Sandwich-Board Man (uncredited) 1 episode, 1981
- Mary Eveleigh
- Â Woman on Stairs at Milliway's (uncredited) 1 episode, 1981
- Jennifer Goble
- Â Sirius Cybernetics Corps. Ad Girl (uncredited) 1 episode, 1981
- Nicola Critcher
- Â Handmaiden (uncredited) 1 episode, 1981
- Jacoba
- Â Handmaiden (uncredited) 1 episode, 1981
- George Cornelius
- Â Workman (uncredited) 1 episode, 1981
- Terry Duran
- Â Workman (uncredited) 1 episode, 1981
- Douglas Burd
- Â Pilot (uncredited) 1 episode, 1981
- Richard Reid
- Â Guard (uncredited) 1 episode, 1981
- Jim Francis
- Â Small Furry Creature from Alpha Centauri (uncredited) 1 episode, 1981
- Eric French
- Â G'Gugvunt Leader (uncredited) 1 episode, 1981
- Bill Barnsley
- Â Disgruntled Man Listening to Radio (uncredited) 1 episode, 1981
- Reg Lloyd
- Â Man (uncredited) 1 episode, 1981
- Antony Gilding
- Â Businessman (uncredited) 1 episode, 1981
- Lorraine Paul
- Â Handmaiden (uncredited) 1 episode, 1981
- Steve Trainer
- Â Optimistic Man in Pub (uncredited) 1 episode, 1981
