Teddy

Georges Moutte (1 episode)

James T

General Robertson (1 episode)

Keith (1 episode)

Chief Super (1 episode)

Jonathan Aitken (5 episodes)

Sir Nicholas Henderson (HM Ambassador to the United States)

Lord Buckingham

Boss

Reggie (1 episode)

Mr. Von Raffenburg (1 episode)

(12 episodes)

Bill Mitchell (1 episode)

Vivian

Debenham (1 episode)

Alan Clark / Higson

(21 episodes)

Lord Hugh Bottrell (1 episode)

Lord Stanhope

14th Duke

Lt. Col. Hamish Murray (1 episode)

Roger McMill (1 episode)

Paul (12 episodes)

Sir Anthony Maylor (6 episodes)

Marvello (1 episode)

Hugh

Gessler

Marcus Chreighton (1 episode)

Deseyev

Gov. Hermann Gessler (72 episodes)

Smythe (1 episode)

Algernon Moncrieff (1 episode)

Densher (6 episodes)

(1 episode)

Andrew Parker-Bowles

Algernon Montcrieff

Mr. Kapadia (1 episode)

George Stamford (1 episode)

Charlie Prince (1 episode)

Lord Privy Seal Dennis Tipping

Godfried Schalken (1 episode)

Godfried Schalken

The Hon C. St J. Denton (1 episode)

The Hon C St J Denton

Sexton Blake (1 episode)

Lord John Manners (2 episodes)

(1 episode)

Nick Topping

Stephen

Lord Jura (1 episode)

Alick Carruthers (1 episode)

Harcourt

Martin Jessell (1 episode)

Borring

(4 episodes)

Iestyn Evans (6 episodes)

(6 episodes)

Tony

Mr. Fleetwood

Miles

Demetrius (1 episode)

Edgar Anthony (1 episode)

Harcourt (1 episode)

Demetrius

(1 episode)

(1 episode)

Jeremy (2 episodes)

(1 episode)

Self (1 episode)

(1 episode)

Self (1 episode)