Neil Stacy

as Sir Nicholas Foulsham (6 episodes)

as Sir Nigel Fetherstone (1 episode)

as Clifford (1 episode)

as Major Hinchcliff-Jones (1 episode)

as Giles (6 episodes)

as Giles de Vere (1 episode)

as Robert Cochrane (22 episodes)

as Robert Scott (2 episodes)

as Lt. Col. Tim Squires (11 episodes)

as Alastair (1 episode)

as Carter (8 episodes)

as Toby Gough (2 episodes)

as Randolf-Smith (1 episode)

as DI Barrington (1 episode)

as Peter Dawson (13 episodes)

as Lt. Col. Hugo Undershaft (1 episode)

as Sir Charles Banbury Williams

as Lawrence Fitzgibbon (5 episodes)

as Geoffrey Hamilton (1 episode)

as Boris Drubetskoy (7 episodes)

as Anthony Gordon Fenton (18 episodes)

as Charles (1 episode)

as Tom Maitland (1 episode)

as Henry

as Paul Maverley (1 episode)