Edward Underdown Filmography
- Actor (47 credits)
- Tarka the Otter (1979) Hibbert
- The Duchess of Duke Street (1976) Adjutant-General
- Survivors (1975) Frank Garner
- The Abdication (1974) Gustaf II Adolf, Christina's father
- Digby, the Biggest Dog in the World (1973) Grandfather
- Colditz (1972) Col. Mansell
- Running Scared (1972) Mr. Betancourt
- Upstairs, Downstairs (1971) General Nesfield
- The Last Valley (1971) Gnarled Peasant
- The Magic Christian (1969) Prince Henry, not listed in credits
- Dad's Army (1968) Major General Sir Charles Holland
- The Hand of Night (1968) Otto Gunther
- Man in a Suitcase (1967) John Maxted
- Khartoum (1966) Col. William Hicks
- Triple Cross (1966) Air Marshall, not listed in credits
- Dr. Terror's House of Horrors (1965) Tod (segment 1 'Werewolf')
- Thunderball (1965) Air Vice Marshal
- Das Verrätertor (1964) Inspector Adams
- Woman of Straw (1964) First Executive, not listed in credits
- Man in the Middle (1964) Maj. Wyclif
- Danger Man (1964) Capt. Morgan
- The Bay of St. Michel (1963) Col. Harvey
- Espionage (1963) Colonel Shabar
- Dr. Crippen (1963) The Prison Governor
- The Third Alibi (1961) Dr. Murdoch
- The Day the Earth Caught Fire (1961) Dick Sanderson
- Call Oxbridge 2000 (1961) Sir Maurice Protheroe
- Information Received (1961) Drake
- The Two-Headed Spy (1958) Kaltenbrunner
- The Camp on Blood Island (1958) Major Dawes
- The Rainbow Jacket (1954) Tyler
- Recoil (1953) Michael Conway
- Beat the Devil (1953)
- Street of Shadows (1953) Det. Insp. Johnstone
- The Woman's Angle (1952) Robert Mansell
- The Voice of Merrill (1952) Hugh Allen
- The Dark Man (1951) Detective Inspector Viner
- They Were Not Divided (1950) Philip Hamilton
- The Woman with No Name (1950) Lake Winter
- Man on the Run (1949) Slim Elfey
- Brass Monkey (1948) Max Taylor
- The Woman in the Hall (1947) Neil Inglefield
- The October Man (1947) Passport Official
- Inspector Hornleigh Goes to It (1941)
- Lucky to Me (1939) Malden's friend, not listed in credits
- The Drum (1938) Undetermined Role, not listed in credits
- Wings of the Morning (1937) Don Diego
