John Cleese

Roi Gristle (voice)

Chief Alien (voice)

Bulldog (voice)

Historical Montage Narrator (voice)

King Harold (voice)

Professor Kipple (voice)

Professor Barnhardt

Dr. Glickenstein (voice)

King Harold (voice)

Samuel the Sheep (voice)

Mercury (voice)

Grizzled Sergeant

King Harold (voice)

Mr. Munday

Q

Nearly Headless Nick (Sir Nicholas)

James

Nearly Headless Nick

Donald P. Sinclair

R

An Ape Named 'Ape' (voice)

Cat R. Waul (voice)

Archie Leach

Various Roles

Wise Man #1 / Reg / Jewish Official / First Centurion / Deadly Dirk / Arthur

Second Swallow-Savvy Guard / The Black Knight / Peasant 3 / Sir Launcelot the Brave / Taunting French Guard / Tim the Enchanter