Jessalyn Gilsig
Kayley (voice)
Andrea Corr
Kayley (singing voice)
Cary Elwes
Garrett (voice)
Bryan White
Garrett (singing voice)
Don Rickles
Cornwall (voice)
Jane Seymour
Juliana (voice)
Céline Dion
Juliana (singing voice)
Pierce Brosnan
King Arthur (voice)
Steve Perry
King Arthur (singing voice)
Bronson Pinchot
Grifin (voice)
Jaleel White
Bladebeak (voice)
Gabriel Byrne
Lionel (voice)
John Gielgud
Merlin (voice)
Frank Welker
Ayden (voice)
Jack Angel
Additional Voices (voice)
Sarah Freeman
Young Kayley (voice)
Sherry Lynn
Additional Voices (voice)
Mickie McGowan
Additional Voices (voice)
