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