- Country: UK
- Genres: Documentary, Short
- Release:
- Director: John Barnes
- Writers: Douglas Campbell , William Shakespeare
- Language: English
- Stars: Michael Gwynn , Duncan Lamont , William Squire , Gudrun Ure
- Runtime: 33 min
- Awards: N/A
- AKA: Macbeth III: The Secret'st Man (United Kingdom)
- Plot: N/A
- IMDB:tt0497565
Macbeth III: The Secret’st Man Cast
John Barnes
Director
Michael Gwynn
King Duncan
Duncan Lamont
Macduff
William Squire
Macbeth
Gudrun Ure
Lady Macbeth