Charles Kay

as Professor Maltus

(2 episodes)

as Pope Paul VI

(1 episode) as Canon Pennyfather

as Gribsby

as George Thornton

(2 episodes) as Henry York

(1 episode) as Elliot Strange

as Julius Quilter

(1 episode) as Monty Francis

as Captain Bassett

(6 episodes)

as Secretary

(1 episode) as Humphrey

(14 episodes) as J.J. Morley

(2 episodes) as Monsieur Eugène Mollet

as Archbishop of Canterbury

(2 episodes)

(7 episodes) as Dobson

as Neil

(1 episode) as Professor Weinberg

(6 episodes) as Pendleton

(1 episode) as Mr. Kaufman

(1 episode) as Mr Padbury

as Count Orsini-Rosenberg

as King Phillip of France

(1 episode) as Professor Presbury

(4 episodes) as Rainaldi

as King Charles I

(1 episode) as Peter Westgate

as Brunston

as Argentine Ambassador

(4 episodes) as Sir Henry Curtis Bennett, K.C.

(13 episodes) as Alcock

(1 episode) as John Sutton

as Arthur Wright

(1 episode)

(13 episodes) as Louis VII of France

as de Levis

(1 episode)

as Father Vernon

as Westminster Guide

(1 episode)

as Sidney Herbert

as Montague Porch

(2 episodes) as Roux

(1 episode) as Montague Porch

(7 episodes) as Tsar Nicholas II

as Prince of Aragon

as Ferdinand

(3 episodes)

(1 episode) as Inspecteur Chilton

as Lightborn (in Edward II)

as Tybalt

as The Dauphine

(1 episode) as de Levis

(1 episode) as Vladimir Talberg

(1 episode) as Tybalt

(1 episode)

as Edgar Tibbs

as Toddy

(1 episode)

as Tom Kay

(1 episode) as Eric Sawbridge