As a producer, the Crewe, Virginia-born Buckner worked on the 1946 John Garfield film Nobody Lives Forever, Confidential Agent (1945) with Charles Boyer and Lauren Bacall, and Mission to Moscow (1943).
free agent | Agent Orange | agent | Talent agent | double agent | literary agent | Political Agent | Free agent | Paranoia Agent | Kitchen Confidential (TV series) | Kitchen Confidential | Agent Cody Banks | The Secret Agent | Secret Agent X-9 | MRI contrast agent | Fear Agent | Agent Provocateur | Thickening agent | The Station Agent | station agent | Moscow hostage crisis chemical agent | Kitchen Confidential: Adventures in the Culinary Underbelly | John Johnston (Indian Agent) | Invisible Agent | General Agent | Forté Agent | Election agent | Confidential Agent | Co-Ed Confidential | City Confidential |
For the duration of his career, he served as the confidential agent of his brother, the shipping magnate Percy Molteno.
In 1560, eight years after his nomination, he was forced to retire to France, where he acted as confidential agent of Mary, Queen of Scots, and later openly as ambassador for James VI, until his death in Paris, 25 April 1603.