Patrick Troughton as The Doctor

Frazer Hines as Jamie McCrimmon

Wendy Padbury as Zoe Heriot

David Savile as Lt Carstairs

Jane Sherwin as Lady Jennifer Buckingham

Noel Coleman as General Smythe

Richard Steele as Commandant Gorton

Terence Bayler as Major Barrington

Hubert Rees as Captain Ransom

David Valla as Lieutenant Crane

Esmond Webb as Sgt Major Burns

Brian Forster as Sergeant Willis

Pat Gorman as Military Policeman

Peter Stanton as Military Chauffeur

David Garfield as Von Weich

Gregg Palmer as Lieutenant Lucke

John Livesey as German Soldier

Bernard Davies as German Soldier

Philip Madoc as War Lord

Edward Brayshaw as War Chief

James Bree as Security Chief

Vernon Dobtcheff as Chief Scientist

John Atterbury as Alien Guard

Charles Pemberton as Alien Technician

Bill Hutchinson as Sgt Thompson

Terry Adams as Corporal Riley

Leslie Schofield as Leroy

Rudolph Walker as Harper

Michael Lynch as Spencer

Graham Weston as Russell

David Troughton as Moor

Peter Craze as Du Pont

Michael Napier Brown as Arturo Villar

Stephen Hubay as Petrov

Tony McEwan as Redcoat

Bernard Horsfall as First Time Lord

Trevor Martin as Second Time Lord

Clyde Pollitt as Third Time Lord

Clare Jenkins as Tanya Lernov