- Sam Waterston
- Â Prof. Quentin E. Deverill 6 episodes, 1982
- A.C. Weary
- Â Charlie Andrews 6 episodes, 1982
- George Innes
- Â Phipps 6 episodes, 1982
- Caroline Langrishe
- Â Jenny Martin 5 episodes, 1982
- Julian Glover
- Â Dr. Stefan Kilkiss 5 episodes, 1982
- Sarah Berger
- Â Betsy Stevens 1 episode, 1982
- Burt Kwouk
- Â Dr. Lin 1 episode, 1982
- Paul Freeman
- Â Professor Vincent Rep 1 episode, 1982
- Ian Ogilvy
- Â Lord Sidney Sarandon 1 episode, 1982
- Tim Woodward
- Â Harry Owsley 1 episode, 1982
- Peter Cellier
- Â MI5 Man 1 episode, 1982
- Richard Morant
- Â Richard Stevens 1 episode, 1982
- Ronald Lacey
- Â Medium 1 episode, 1982
- Sarah Lam
- Â Priscilla 1 episode, 1982
- Jean Anderson
- Â Aunt Effie - Lady Euphemia Martin 1 episode, 1982
- Manning Redwood
- Â Henry Ford 1 episode, 1982
- Elizabeth Shepherd
- Â Lady Potts 1 episode, 1982
- Barrie Houghton
- Â Kalnikov 1 episode, 1982
- George Baker
- Â Sir Harold Metcalfe 1 episode, 1982
- Timothy Bateson
- Â Alfie 1 episode, 1982
- George A. Cooper
- Â Lord Eastleigh 1 episode, 1982
- Frederick Jaeger
- Â Kaiser Wilhelm II 1 episode, 1982
- Cyril Luckham
- Â Crabtree 1 episode, 1982
- Paul Angelis
- Â Kroll 1 episode, 1982
- Derek Deadman
- Â Badger Wiggins 1 episode, 1982
- Shelagh McLeod
- Â Caroline Makepeace 1 episode, 1982
- John Abineri
- Â Staff Officer 1 episode, 1982
- Henry McGee
- Â Bassey 1 episode, 1982
- Eric Kent
- Â Blake 1 episode, 1982
- Chris Jenkinson
- Â Van Else 1 episode, 1982
- Barry Dennen
- Â Al Russell 1 episode, 1982
- John Vine
- Â Gareth Makepeace 1 episode, 1982
- David Auker
- Â Dutch Taxi Driver 1 episode, 1982
- Robert Harris
- Â Judge 1 episode, 1982
- Bibs Ekkel
- Â Hungarian 1 episode, 1982
- Pauline Quirke
- Â Jane 1 episode, 1982
- Rolf Saxon
- Â American Associate 1 episode, 1982
- Patsy Smart
- Â Old Woman 1 episode, 1982
- Robert Arden
- Â University President 1 episode, 1982
- Franco De Rosa
- Â Brunelli 1 episode, 1982
- Amy Dagley
- Â Young Dutch Girl 1 episode, 1982
- Ann Way
- Â Minnie 1 episode, 1982
- Billy J. Mitchell
- Â Professor 1 episode, 1982
- Jeff Harding
- Â Barney Oldfield 1 episode, 1982
- Alfie Curtis
- Â Referee 1 episode, 1982
- Francine Morgan
- Â Dolly 1 episode, 1982
- Ingo Mogendorf
- Â Swarthy Man 1 episode, 1982
- Tony Caunter
- Â Foreman 1 episode, 1982
- Brenda Cowling
- Â Nun on Train 1 episode, 1982
- Robert Henderson
- Â Old Professor 1 episode, 1982
- Eiji Kusuhara
- Â Count Oyama 1 episode, 1982
- Mike Lewin
- Â Inspector Draycot 1 episode, 1982
- Edward Wiley
- Â Young Professor 1 episode, 1982
- Gordon Rollings
- Â Adcock 1 episode, 1982
- Ron Pember
- Â Cabbie 1 episode, 1982
- Peggy Ann Clifford
- Â Large Lady in Shop 1 episode, 1982
- Thea Ranft
- Â Dutch Girl's Mother 1 episode, 1982
- Robin Parkinson
- Â Steward 1 episode, 1982
- Carol Harrison
- Â Tarty Girl 1 episode, 1982
- David Baron
- Â Guest at Seance 1 episode, 1982
- Benjamin Feitelson
- Â French Chauffeur 1 episode, 1982
- Michael Burrell
- Â Official 1 episode, 1982
- Jonathan Burn
- Â Lecours 1 episode, 1982
- Michael Stroud
- Â Guest at Seance 1 episode, 1982
- Terry Cowling
- Â Bomb Man 1 episode, 1982
- Cyril Cross
- Â Policeman 1 episode, 1982
- Bill Reimbold
- Â American Reporter 1 episode, 1982
- Simon Henderson
- Â Office Boy 1 episode, 1982
- Jean Burgess
- Â Lady at Seance 1 episode, 1982
- Olivier Pierre
- Â French Reporter 1 episode, 1982
- Michael Harbour
- Â Fisherman 1 episode, 1982
- David Shaughnessy
- Â Official 1 episode, 1982
- Constantine Gregory
- Â German Commander 1 episode, 1982
- Paul Jerricho
- Â German Sergeant 1 episode, 1982
- Kenneth Owen
- Â German Corporal 1 episode, 1982
- Wolf Kahler
- Â Technician 1 episode, 1982
- Steve Ubels
- Â Technician 1 episode, 1982
- Paul Humpoletz
- Â Flunkey 1 episode, 1982
- Harry Fielder
- Â Smart Dressed Man (uncredited) 1 episode, 1982
- Ray Moore
- Â Voice-over (uncredited) unknown episodes
