Cast
Nicholas Lyndhurst
Peter 'Piglet' Chapman • 21 episodes
Louise Catt
Flint • 21 episodes
Clive Francis
Morris Drummond • 20 episodes
Michael Percival
Dexter • 17 episodes
Steven Law
Lewis • 17 episodes
John Ringham
Major Andrew Maxwell • 14 episodes
Paul Cooper
Trueman • 14 episodes
Serena Evans
Sarah Chapman • 13 episodes
Brian Poyser
Lubenkov • 4 episodes
James Hayes
Professor Shawcross • 1 episodes
Ian Masters
Tony Sharpe • 1 episodes
Andrew Woodall
Russian Agent • 1 episodes
Hollie Garrett
Nadia Volganyn • 1 episodes
Elizabeth Bradley
Mrs Russell • 1 episodes
Rupert Vansittart
Zemskov • 2 episodes
Jasper Jacob
Froelig • 1 episodes
Rupert Vansittart
KGB Officer • 2 episodes
Nicholas Blane
Mr Whiteley • 1 episodes
Marian McLoughlin
Mrs Whiteley • 1 episodes
Michael Lumsden
Steve • 1 episodes
Amanda Drewry
Kate • 1 episodes
Terence Taplin
Toby Sutton • 1 episodes
Jenny Robbins
Receptionist • 1 episodes
Jonathan Adams
KGB Secretary • 1 episodes
