| Gyearbuor Asante |
Ticket collector
- Series 1, Episode 13 - The Contact
|
1 |
| David Baron |
Maxwell
- Series 1, Episode 12 - The Appointment
|
1 |
| Fred Beauman (as Frederick Beauman) |
Clemont
- Series 1, Episode 7 - The Courier
|
1 |
| William Bond |
Gemp
- Series 1, Episode 6 - The Exchange
|
1 |
| Brandon Brady |
KGB man
- Series 1, Episode 9 - THE K.G.B.
|
1 |
| Edward Burnham |
Edwards
- Series 1, Episode 3 - The Leak
- Series 1, Episode 8 - The Traitor
|
2 |
| Michael Burrell |
Taylor
- Series 1, Episode 3 - The Leak
- Series 1, Episode 8 - The Traitor
|
2 |
| Judith Chalmers |
Announcer
- Series 1, Episode 7 - The Courier
|
1 |
| Ronald Chenery |
Servant
- Series 1, Episode 11 - The President
|
1 |
| Michael Collins |
Robinson
- Series 1, Episode 3 - The Leak
- Series 1, Episode 8 - The Traitor
|
2 |
| David Crosse |
Michael
- Series 1, Episode 10 - The Drawing
|
1 |
| David Davenport |
Vlacek
- Series 1, Episode 3 - The Leak
- Series 1, Episode 8 - The Traitor
|
2 |
| Francis De Wolff |
Chulmek
- Series 1, Episode 3 - The Leak
- Series 1, Episode 8 - The Traitor
|
2 |
| Arnold Diamond |
Ramsden
- Series 1, Episode 9 - THE K.G.B.
|
1 |
| William Ellis |
Motorcyclist
- Series 1, Episode 10 - The Drawing
|
1 |
| John Gatrell |
Head Waiter
- Series 1, Episode 1 - The Assassin
|
1 |
| Frederick Hall |
Harris
- Series 1, Episode 10 - The Drawing
|
1 |
| Laurence Harrington |
Komarek
- Series 1, Episode 2 - The Defector
|
1 |
| Basil Henson |
Sir Anthony Donaldson
- Series 1, Episode 12 - The Appointment
|
1 |
| Percy Herbert |
Dawson
- Series 1, Episode 5 - The Abduction
|
1 |
| Tony Hughes |
Assassin
- Series 1, Episode 1 - The Assassin
|
1 |
| Peter Jolley |
Diner
- Series 1, Episode 1 - The Assassin
|
1 |
| Desmond Jones |
Tour guide
- Series 1, Episode 2 - The Defector
|
1 |
| Ian Judge |
Receptionist
- Series 1, Episode 2 - The Defector
|
1 |
| Anna Korwin |
Dr. Starovsky
- Series 1, Episode 9 - THE K.G.B.
|
1 |
| Al Lampert |
Curate
- Series 1, Episode 13 - The Contact
|
1 |
| Maeve Leslie |
Diner
- Series 1, Episode 1 - The Assassin
|
1 |
| Leon Lissek |
Novikov
- Series 1, Episode 2 - The Defector
|
1 |
| Ray Marioni |
Croupier
- Series 1, Episode 10 - The Drawing
|
1 |
| Ronald Mayer |
Diner
- Series 1, Episode 1 - The Assassin
|
1 |
| Robert McBain |
Van driver
- Series 1, Episode 11 - The President
|
1 |
| Fred McNaughton |
Moreton
- Series 1, Episode 6 - The Exchange
|
1 |
| Ralph Michael |
Apsley
- Series 1, Episode 13 - The Contact
|
1 |
| Robert Mill |
Aide
- Series 1, Episode 12 - The Appointment
|
1 |
| Ricardo Montez |
Zameet
- Series 1, Episode 1 - The Assassin
|
1 |
| Charles Morgan |
British Ambassador
- Series 1, Episode 12 - The Appointment
|
1 |
| Gerard Paquis |
Berranger
- Series 1, Episode 7 - The Courier
|
1 |
| Morris Perry |
Schulenberg
- Series 1, Episode 6 - The Exchange
|
1 |
| David Prowse (as Dave Prowse) |
Johansson
- Series 1, Episode 5 - The Abduction
|
1 |
| Michael Sheard |
Ernst
- Series 1, Episode 6 - The Exchange
|
1 |
| Joy Stewart |
Mrs. Collins
- Series 1, Episode 12 - The Appointment
|
1 |
| Alan Tilvern |
President Fezzan
- Series 1, Episode 11 - The President
|
1 |
| Frederick Treves |
Commander Bentley
- Series 1, Episode 10 - The Drawing
|
1 |
| Gabor Vernon |
Mazirah
- Series 1, Episode 11 - The President
|
1 |
| Gary Waldhorn |
Greville
- Series 1, Episode 1 - The Assassin
- Series 1, Episode 2 - The Defector
|
2 |
| Kenneth Waller |
Warren
- Series 1, Episode 7 - The Courier
|
1 |
| David Webb |
Leuschner
- Series 1, Episode 6 - The Exchange
|
1 |