Basil Henson

as Lord Breconbury (1 episode)

as The Bishop

as Michael Feverstein (1 episode)

as Colonel Ross (1 episode)

as Colonel Ross

as Hinchcliffe (1 episode)

as Sir Horatio Manners (23 episodes)

as Dr. Abbott (1 episode)

as Mr Gonzales (1 episode)

as Von Moltke (1 episode)

as Dr. Lucas

as Charles Merrow (1 episode)

as Charles Merrow

as Dr. Chisolm (2 episodes), as The Hon. Mr. Justice Yearsley (3 episodes), as Mr. Justice Yearsley (3 episodes)

as Oxted

as Prince Vasili Kuragin, as Vasili Kuragin (4 episodes)

as Major Lofthouse (1 episode)

as Basil Stewart (1 episode)

as Doctor (uncredited)

as Hunter

as Hacker

as Brigadier (1 episode)

as Dawnay (12 episodes)