Frank

Self (1 episode)

Cecil Havers (4 episodes)

Self (1 episode)

Lord Whitecroft (2 episodes)

Narrator (20 episodes)

Self - Expert (2 episodes)

Roger (6 episodes)

General Ransom (1 episode)

Self - Presenter (195 episodes)

Self (2 episodes)

Andrew Wilder (1 episode)

Self

Larry (3 episodes)

Self (4 episodes)

Nigel Havers (1 episode)

Doc

Dr. Eugene Braithwaite (1 episode)

Stanley Keen (3 episodes)

Self - Participant (1 episode)

(uncredited)

Rupert Hardacre (voice) (20 episodes)

Tony Pebblé (9 episodes)

Self (1 episode)

Self (1 episode)

Self (8 episodes)

Lewis Archer (674 episodes)

Peter Dalton (2 episodes)

Self (2 episodes)

Self (1 episode)

(12 episodes)

Roger Grant (6 episodes)

Self (1 episode)

Mr. Vanderman

Self (1 episode)

Self (2 episodes)

Peter Hillman

Henry Williamson (3 episodes)

Leader of the Opposition (2 episodes)

David Niven

Self (14 episodes)

Director (1 episode)

Self (2 episodes)

Nicholas Chadwick QC (1 episode)

Terry (15 episodes)

A J Raffles

Self (1 episode)

Hofstadter

Self (1 episode)

Dr. Jonathan Paige (24 episodes)

Dr. Alex Marsden (2 episodes)

Dr. Alex Marsden

Halek

Richard

Harvey Stafford (1 episode)

Michael Wilding (2 episodes)

Oliver Halkin

(5 episodes)

Edmund Lagrange (2 episodes)

Steven Kaye

Peter Husak

Self (1 episode)

Hugh Fleming (6 episodes)

Jeremy Coward (4 episodes)

Jeremy Coward/Sergei Rublev

Edward Spencer-Grant (2 episodes)

Alfred Perlès

(1 episode)

Capt. Fairbourne

Dr. Rawlins

(6 episodes)

Thomas Quayne

Carrisford (6 episodes)

Robert "Bob" Jones

Jim Fairley (4 episodes)

Roddy Buchanan

William John Wills

Clement

Ronny Heaslop

(39 episodes)

Harman

Bobby Shaw (4 episodes)

Randolph Churchill (8 episodes)

Lord Andrew Lindsay

Miller (1 episode)

Philip Colindale

Philip Colindale (1 episode)

George Martin

Ronald Ransom (1 episode)

(1 episode)

Harman (1 episode)

Richie

Paul Craddock (12 episodes)

Counterman

Mark Ingram (3 episodes)

Conrad Baker (1 episode)

Estate Agent

(1 episode)

Nicholas Nickleby (6 episodes)

Ronald Walker (1 episode)

Ronald Walker

Kenneth Lake

Kenneth Lake (1 episode)

Leonid Shervinsky (1 episode)

(6 episodes)

Peter Dinmont (1 episode)

Ludovic Bates (1 episode)

Ludovic Bates

Jim

Roger (4 episodes)

(1 episode)

Bernard Crittenden (3 episodes)

Young Monk

Soldier/ Attendant