John Robinson

Henry Errington

Muller • 1 episodes

Muller (uncredited) • 1 episodes

Lord Fawnlee

Old Lieutenant Ekdal

Dr Foster Hamilton • 1 episodes

Quemot

Lord Sellington • 1 episodes

Collings • 1 episodes

Walter Bray • 2 episodes

Dr. Saint

Old Ekdal • 1 episodes

Detective-Sergeant Leith

Charles de Bouvet • 1 episodes

Reverend Roger Leyland • 1 episodes

Edmund Newton • 1 episodes

Sir Michael Gerrard • 26 episodes

Infantry General at Field Briefing (uncredited)

Jason Douglas • 1 episodes

Sidney Fairweather • 1 episodes

Adm. Sir Bertram Ramsay (uncredited)

Franz Von Markheim

Professor Gouin • 1 episodes

Archdeacon Pomphret

Squire Dale • 6 episodes

Serjeant Sullivan KC • 1 episodes

Hugh Turner • 1 episodes

Sir Colenso Ridgeon

Lloyd Crichton

Berkeley Reckitt

Lloyd Crichton • 1 episodes

Detective Sergeant Leith • 1 episodes

Professor Bernard Quatermass • 6 episodes

Secretary

Prof. Martineau / Mansel

Dr. Braithwaite

Linnett

Thomas Northon • 1 episodes

Dr. Larry Parker • 1 episodes

Dr. Bruce Napier

Oliver Farrant

Pilot

Unnamed Character

Donald Scarlett

Taylor