(7 episodes)

Head Geographer

Charles Burnell

Lord Chief Justice (1 episode)

Man on Toilet

Vice Admiral Hamling (1 episode)

Dr. Clarence

Stanley Baldwin

Self (1 episode)

Self (1 episode)

Joubert

(6 episodes)

Sir John Crowder

Lord Scarman (1 episode)

Captain Hardaker

Corbett's Ghost

Bayliss

Sir Marmaduke Rowley (4 episodes)

Minnit

Sir Edward Quiller Couch

(12 episodes)

Narrator (14 episodes)

Thackeray (3 episodes)

Robert (6 episodes)

Donald (6 episodes)

Narrator (voice) (5 episodes)

The Doctor

Lord John Bradley

White King

Narrator / Santa

Robert Crane

His Butler's Voice

Narrator (1 episode)

Admiral Roebuck

Henry Ponsonby

(7 episodes)

The Ruler (1 episode)

Warren

The Kommandant

Lionel Hardcastle (67 episodes)

Donleavy

Sir Horace Wimbol

Nigel Carter (1 episode)

Matthew Copley-Barnes (1 episode)

Field Marshal Haig (1 episode)

Mr. Burton (4 episodes)

SAAB Salesman

Judge

Self (1 episode)

Bernard

(19 episodes)

Headmaster

The Angry Doctor

(13 episodes)

Fallast

Glyn Bryce

Ronald Brewster-Wright

Fred (1 episode)

Major Harry Truscott (13 episodes)

Jimmy Anderson

British Ambassador

Edwin Lorrimer (2 episodes)

Various (1 episode)

Jimmy Anderson, Ben Parkinson

Eric

Foreign Secretary (4 episodes)

Psychiastrist

Quince

(13 episodes)

School Headmaster (1 episode)

Col. Wyndham

Dr. Price (1 episode)

Ben Parkinson (28 episodes)

Commander Watson (1 episode)

Kenneth Eden (3 episodes)

Arnold Sparrow (1 episode)

Avery (1 episode)

Simon Sinclair (1 episode)

Head of Faculty (1 episode)

Jimmy Anderson (28 episodes)

Malcolm Frear (4 episodes)

Graviter

Det. Chief Insp. Harris

First Policeman

(3 episodes)

Samuel Partridge (1 episode)

Jack

(132 episodes)

Examination Doctor/Basil Keyes

Richard Nicholls

Doc (2 episodes)

(1 episode)

Detetective Chief Inspector Harris (1 episode)

Jack Buckett (1 episode)

Chief Superintendent

(1 episode)

Major Sims (2 episodes)

Monteith (1 episode)

Hugh Stafford (7 episodes)

Man at the Clinic

Administrator (1 episode)

Masters (3 episodes)

Chief Superintendent Smeed (1 episode)

Asst. Chief Constable Rogers (2 episodes)

Professor Wybrow

Jeremy Martin (1 episode)

Bill Mitchell (1 episode)

Oliver Cromwell (2 episodes)

Property Agent (1 episode)

Property Agent

(1 episode)

Ian McWatt (1 episode)

Rankin (1 episode)

Chief Officer (3 episodes)

Chief Officer

Jack Poncey (1 episode)

Jeff Grant (1 episode)

(6 episodes)

Police Officer (uncredited)

Pete Ferguson (1 episode)

Basil Mallard

Williams (1 episode)

Dr. Tanfield

Cpl. Myers

(1 episode)

Paul Manning (1 episode)

Martin Smythe (1 episode)

(7 episodes)

(1 episode)

Const. Swift (4 episodes)