Robert Lindsay
Thomas Kelly (2 eps)
Keith Carradine
Liam Devlin (2 eps)
Simon Chandler
Fox (2 eps)
Robert Lang
Brigadier Charles Ferguson (2 eps)
Valentina Yakunina
Tanya Maslovskaya (2 eps)
Arthur Brauss
General Maslovsky (2 eps)
David de Keyser
Professor Cherny (2 eps)
Stephen Holland
Davey (2 eps)
Helen Rappaport
Major Belova (2 eps)
Niall Tóibín
Sean Gallagher (2 eps)