King Arthur, accompanied by his squire, recruits his Knights of the Round Table, including Sir Bedevere the Wise, Sir Lancelot the Brave, Sir Robin the Not-Quite-So-Brave-As-Sir-Lancelot and Sir Galahad the Pure. On the way, Arthur battles the Black Knight who, despite having had all his limbs chopped off, insists he can still fight. They reach Camelot, but Arthur decides not to enter, as "it is...
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!
King Arthur / Voice of God / Middle Head / Hiccoughing Guard
Second Swallow-Savvy Guard / The Black Knight / Peasant 3 / Sir Lancelot the Brave / Taunting French Guard / Tim the Enchanter
Patsy / Green Knight / Old Man from Scene 24 (Bridgekeeper) / Sir Bors / Animator / Gorrilla Hand
Dead Collector / Peasant 1 / Sir Robin the Not-Quite-So-Brave-as-Sir Launcelot / First Swamp Castle Guard / Concorde / Roger the Shrubber / Brother Maynard
Dennis's Mother / Sir Bedevere / Left Head / Prince Herbert / Cartoon Scribe (voice)
Zoot / Dingo
First Monk / Singing Minstrel / Page Crushed by the Rabbit / Peasant #4