als King Arthur / Voice of God / Middle Head / Hiccoughing Guard
als Second Swallow-Savvy Guard / The Black Knight / Peasant 3 / Sir Lancelot the Brave / Taunting French Guard / Tim the Enchanter
als Patsy / Green Knight / Old Man from Scene 24 (Bridgekeeper) / Sir Bors / Animator / Gorrilla Hand
als Dead Collector / Peasant 1 / Sir Robin the Not-Quite-So-Brave-as-Sir Launcelot / First Swamp Castle Guard / Concorde / Roger the Shrubber / Brother Maynard
als Dennis's Mother / Sir Bedevere / Left Head / Prince Herbert / Cartoon Scribe (voice)
als First Swallow-Savvy Guard / Dennis / Peasant 2 / Right Head / Sir Galahad the Pure / Narrator / King of Swamp Castle / Brother Maynard's Brother / Leader of The Knights Who Say NI!
als First Monk / Singing Minstrel / Page Crushed by the Rabbit / Peasant #4
als Dead Body / Historian Frank