Guest Stars Richard Durden as Lord Halifax Richard Bremmer as Vice Admiral B. Ramsay William Hope as Commander J. Clouston Richard Attlee as Clement Attlee Jack Fortune as Anthony Eden Christopher Good as Neville Chamberlain Joseph Mawle as Lt. Ian Cox James Loye as Lt. David Mellis Sean Murray as Capt Tom Halsey RN André Oumansky as Admiral Abrial Alex Avery as Capt. J. Hendry Rob Smith as Guardsman R. Kingshot Michael O'Connor as Cockie O'Shea