As principal agricultural adviser with the animal feeds division of Quaker Oats, at Southall, west London, he made a series of instructional short films for farmers.
Others include: The Last Outpost, a film about the Trucial Oman Scouts in Arabia (1965); Men Of Action, a Royal Marines team competition (1966); Fly The Helicopter, showing the RAF Search and Rescue at work (1966); They Speak The Language Anyway looking at life at a US Air Force base at Mildenhall in East Anglia.
(1967) Smith produced The Flight Deck Story,[7] the history of the aircraft carrier, filmed on HMS Eagle and on USS Enterprise off the coast of Vietnam.
[8] He also produced Mission To Hell, which followed the Bishop of Birmingham Leonard Wilson returning to Singapore to tell his story of war time imprisonment by the Japanese Army.
[9] A series of six films produced by Smith in 1974 was Journey Through Summer, in which actor and writer PJ Kavanagh viewed various parts of Britain through long-distance walks.
[11] Four In Hand was a film Smith produced with Prince Philip, Duke of Edinburgh, discussing and demonstrating Carriage Driving Events (1974).