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

Ray Cooper

Character: Functionary

Don Henderson

Character: Commander

Robin Williams

Character: King of the Moon

Sting

Character: Heroic Officer

Andrew MacLachlan

Character: Colonel

José Lifante

Character: Dr. Death

Mohamed Badrsalem

Character: Executioner

Kiran Shah

Character: Executioner's Assistant

Franco Adducci

Character: Treasurer

Ettore Martini

Character: First General

Antonio Pistillo

Character: Second General

Michael Polley

Character: Gunner

Tony Smart

Character: Gunner

Laura Lieblein Adam

Character: Theatergoer (uncredited)

Calogero Azzaretto

Character: Pirate (uncredited)

Angelo Casadei

Character: Citizen (uncredited)

Martin Dansky

Character: German Noble (uncredited)

Terry Gilliam

Character: Irritating Singer Inside Fish (uncredited)

Alba Maiolini

Character: Citizen (uncredited)

Franca Scagnetti

Character: Citizen (uncredited)

Luciano Zanussi

Character: Citizen (uncredited)