Joseph Pillet

Sir Piers Blair

Lob

Sir Samuel Sacks

Edgar Trent

Sorin

Chevalier du Rivarol

Vermandero

Mr. Osmond

Reggie Aston (1 episode)

Vermandero (1 episode)

Teiresias (1 episode)

Pyotr Sorin (1 episode)

Blind Man (1 episode)

Old Man

Herbert (1 episode)

Mr. Osmond (1 episode)

Herbert

Yurovsky

Gardi Gay (uncredited)

Grandfather

Gloucester

Kemp ('Dadda')

Thomas Crich

George Warburton (1 episode)

Andrew

Sir Francis Bacon

Ilya (1 episode)

Gremio

The Judge

Justice Shallow

Brant

William Nightingale

William Nightingale (1 episode)

Sir Francis Bacon (1 episode)

Mr. Armitage - Jake's father

Alden Hoving

Colonel Cope-Addams (38 episodes)

Inspector

British Consul

Dr. Pembury

Alan, Bob's Boss (uncredited)

(1 episode)

Admiral Murray-Forbes (uncredited)

Sir Reginald

James Brown