Vivian Stanshall performed a number of roles on this movie. Stanshall was song-writer, source playwright, an actor, wrote dialogue, the narrator, was the screen-writer, as well as the music composer.
Creator Vivian Stanshall (21 March 1943 - 5 March 1995) died in 1995, which was exactly the 100th Anniversary Century year that the real-life 1st Baronet Major-General Sir Henry Creswicke Rawlinson GCB (5 April 1810 - 5 March 1895) had died, and reportedly, both even on the same day and month of 5th March.