Kadro (11)
Suzy Eddie IzzardRobert Watson Watt
Laura FraserMargaret Watson Watt
Lesley HarcourtSecretary Helen
Alex JenningsHenry Tizard
David HaymanFrederick Lindemann
Julian Rhind-TuttAlbert Rowe
Karl DaviesArnold 'Skip' Wilkins
Celyn JonesEdward 'Taffy' Bowen
Iain McKeeHiggy
Tim McInnernyWinston Churchill
Vin DieselJack Mack