Old Byron Berkeley (1 episode)

Ronald Burgess (1 episode)

Dr. Vargas

Prof. Ed Saunders

Father

Englishman

Dr. Lazovert

Admiral (1 episode)

Alan Cartwright (1 episode)

David Harris

Albert Shlessinger (1 episode)

Wilson (3 episodes)

Prof. Ray Spector

Commissioner (1 episode)

Professor Ray Spector (1 episode)

Commissioner

Stuart-Smith

Lawyer

Lecturer (2 episodes)

Gerald (1 episode)

Etienne

Tim Beauchamp (2 episodes)

Tom (1 episode)

Oronte (1 episode)

Friend of Raggy Masterson

Duke of Cornwall

Charvier

Charles Payne (1 episode)

Colonel Maitland (1 episode)

Hooper

Shurlock

Lord Champlieu (2 episodes)

The Vicar (2 episodes)

Dave Adams

Mr. Smith

Symington

Sir Robert Cecil (2 episodes)

Count Botvay

Count Botvay (1 episode)

Claude Erskine-Brown (32 episodes)

Claude Erskine Brown (5 episodes)

Campion

Jeremy Butler

Symington (1 episode)

Bill Rochester (1 episode)

Jeremy Butler (1 episode)

Campion (1 episode)

Hooper (1 episode)

Petulant

Simon Hatchett (1 episode)

Hubert (1 episode)

Rafferty

Dr. Tim Izzard (1 episode)

Horatio

Lenville (2 episodes)

Mr. Collins (2 episodes)

Ronnie

Edward