as Vernon(1 ep)
as Edward Allardice(1 ep)
as Davencourt(1 ep)
as Henry Huxley(1 ep)
as Maj. Harriman
as The Judge(1 ep)
as Brigadier(9 eps)
as Sir Donald Stuffy
as Sir Leo Pursuivant(2 eps)
as Professor Eugene Quail(1 ep)
as Commander(1 ep)
as Hubbard
as Roger Cranley(1 ep)
as Sir Giles Barr-Partington(2 eps)
as Colonel Bantry(3 eps)
as Colonel Bantry(1 ep)
as Fellowes(1 ep)
as Sir Robert Muir
as Dr George Balfour(2 eps)
as George Frobisher
as Henry Armstrong(12 eps)
as Breen
as Mr Bennet(5 eps)
as Commander Hawksly(1 ep)
as Sir Ian Masterson(1 ep)
as Buckingham(1 ep)
as Jeremy Sangster(1 ep)
as Colonel Rowley(1 ep)
as Chief Constable Chubb(5 eps)
as George Frobisher(9 eps)
as Angus Kinloch(13 eps)
as Mr Lumley
as Barrington Erle(20 eps)
as Colonel Richardson(1 ep)
as Bannister(7 eps)
as Colonel Winter(1 ep)
as Major Hacker
as Chandler
as Lord Collingford(13 eps)
as Lord Simon Bowes
as Cabel Jonson(1 ep)
as The Officer
as Dr Spencer(1 ep)
as Nigel Selwyn
as Richard Halton(1 ep)
as Lord Simon Bowes(1 ep)
as Bruce Johnson(1 ep)
as Fletcher(1 ep)
as Col. Kenneth Post
as Sir Robert Muir(2 eps)
as Mark(1 ep)
as Ken Shield(1 ep)
as PC Boot(1 ep)
as Capt. Turnbull
as Trevor Sellers
as Jimmy
as Peter Marsh(2 eps)