What actors and actresses appeared in The Well-Tempered Bach with Peter Ustinov - 1985?

You're likely thinking of the film "The Adventures of Baron Munchausen" (1988), not "The Well-Tempered Bach". The 1985 film you're thinking of is a TV movie starring Peter Ustinov as Johann Sebastian Bach.

While the film "The Adventures of Baron Munchausen" does have a prominent scene featuring Peter Ustinov, it's not a film called "The Well-Tempered Bach".

"The Adventures of Baron Munchausen" features:

* Peter Ustinov as Baron Munchausen

* Eric Idle as The King

* Charles McKeown as The King's Advisor

* Sarah Polley as Sally

* Uma Thurman as The Venus de Milo

* John Neville as The Emperor

* Robin Williams as The Alchemist

* Oliver Reed as The Turkish General

* Valentina Cortese as The Queen

* Daphne Anderson as The Queen's Confidante

* Jack Purvis as The Ogre

* Sting as The Devil

"The Well-Tempered Bach" does not have a similar cast, as it is a different movie.