How did this movie fail?
The director, Stuart Burge, was known as a good Shakespearean stage and film director.
The cast is a who's who of the 1970's:
Charlton Heston, Jason Robards, Richard Johnson, Christopher Lee, Diana Rigg, Richard Chamberlain, Michael Gough, Andre Morell, Jill Bennett, John Moffatt, and Sir John Gielgud.
So, WHAT HAPPENED?