- Michael Palin
- Dennis Cooper
- Harry H. Corbett
- The Squire
- John Le Mesurier
- The Chamberlain
- Warren Mitchell
- Mr. Fishfinger
- Max Wall
- King Bruno the Questionable
- Rodney Bewes
- The Other Squire
- John Bird
- 1st Herald
- Bernard Bresslaw
- The Landlord
- Antony Carrick
- 3rd Merchant
- Peter Cellier
- 1st Merchant
- Deborah Fallender
- The Princess
- Derek Francis
- Bishop
- Terry Gilliam
- Man with Rock
- Neil Innes
- 2nd Herald
- Terry Jones
- Poacher
- Bryan Pringle
- Guard at Gate
- Frank Williams
- 2nd Merchant
- Glenn Williams
- 2nd Guard at Gate
- Simon Williams
- The Prince
- Annette Badland
- Griselda Fishfinger
- Kenneth Colley
- 1st Fanatic
- Brenda Cowling
- Mrs. Fishfinger
- Graham Crowden
- Fanatics' Leader
- Paul Curran
- Mr. Cooper Senior
- Alexandra Dane
- Landlord's Wife
- Brian Glover
- Armourer
- Jerold Wells
- Wat Dabney
- Tony Aitken
- Flagellant
- Peter Casillas
- 3rd Square
- Derrick O'Connor
- Flying Hogfish Peasant
- Derek Deadman
- Apprentice Armourer
- Janine Duvitski
- Fanatic
- Roy Evans
- Ratman
- Bill Gavin
- Old Man with Petition
- Harold Goodwin
- 1st Peasant
- John Gorman
- 2nd Peasant
- Julian Hough
- 4th Peasant / Fanatic
- Des Jones
- Door Opener
- Gorden Kaye
- Sister Jessica
- Christopher Logue
- Spaghetti-eating Fanatic
- Dan Muir
- Crescent and Red Dog Knights
- David Prowse
- Red Herring and Black Knights
- Gordon Rollings
- King's Taster
- Sheridan Earl Russell
- Kevin Fishfinger
- Peter Salmon
- The Monster
- Hilary Sesta
- Scrubber
- John Sharp
- Sergeant at Gate
- George Silver
- Bandit Leader
- Tony Sympson
- 3rd Peasant
- Sydney Bromley
- Dubbing
- John Blain
- Foreman
- Erik Chitty
- 2nd Door Opener / Servant (uncredited)
- Peggy Ann Clifford
- Merchants' Nurse
- Terry English
- Bandit
- Willoughby Goddard
- Eggman
- Sarah Grazebrook
- Serving Wench
- John Hughman
- King's Valet
- Anthony Lang
- Banner Carrier
- Reg Lye
- Hawker
- Mollie Maureen
- Head Nun
- Roger Pratt
- Man Living in Barrel
- Bob Raymond
- Mason
- Anita Sharp-Bolster
- Old Crone / Woman with Stone (uncredited)
- Kenneth Thornett
- Merchants' Steward
- Ann Way
- Merchant's Wife
- Fred Wood
- Bandit
