John Cleese

Sir Lancelot, The Black Knight, Taunting French Guard, Tim the Enchanter, Second Swallow Guard, Peasant 3 - Obtained through the mail.

Terry Gilliam

Patsy, Green Knight, Old Man (Bridge Keeper), Sir Bors, Animator - Obtained through the mail.

Eric Idle

Sir Robin, Brother Maynard, Roger the Shrubber, Concorde, The Dead Collector, Peasant 1, Prince Herbert's Guard - Obtained through the mail.

Terry Jones

Sir Bedevere, Left Head, Prince Herbert, Dennis's Mother, Voice of the Cartoon Scribe - The first autograph was obtained through the mail and the second autograph was obtained in person at a book signing.

Michael Palin

Sir Galahad, Leader of the Knights Who Say 'Ni!', King of Swamp Castle, Brother Maynards Brother, Dennis, Right Head, First Swallow Guard, Peasant 2 , Narrator - Both autographs were obtained through the mail.