Clive Francis

as Lawrence Hughes-Davies (1 episode)

as George Scrivens

as Lord Holley (3 episodes)

as Pope Abel (2 episodes)

as Archbishop

as Major George Rice

as Rear Admiral Nick Wilkinson

as Mr. Rossiter

as Sir John Scott Keltie

as Lord Salisbury (10 episodes)

as Sir Martin Archer Shee

as Field Marshall Montgomery

as Dudley Singleton

as Captain Digges (1 episode)

as Lord Artherton (1 episode)

as Ian Llewellyn Groves

as DCI Pinker

as Ch. Insp. Bonner (1 episode)

as Colonel Brian Windham

as Sir Steven

as Windham (1 episode)

as Major Hedges (6 episodes)

as Morris Drummond (20 episodes)