John Neville character Hieronymus Karl Frederick Baron von Munchausen
Eric Idle character Desmond / Berthold
Sarah Polley character Sally Salt
Oliver Reed character Vulcan
Charles McKeown character Rupert / Adolphus
Winston Dennis character Bill / Albrecht
Jack Purvis character Jeremy / Gustavus
Valentina Cortese character Queen Ariadne / Violet
Jonathan Pryce character The Right Ordinary Horatio Jackson
Bill Paterson character Henry Salt
Peter Jeffrey character Sultan
Uma Thurman character Venus / Rose
Alison Steadman character Daisy
Don Henderson character Commander
Robin Williams character King of the Moon
Sting character Heroic Officer
José Lifante character Dr. Death
Terry Gilliam character Irritating Singer Inside Fish (uncredited)
