On screen
Cast
21 credited performers
Jessalyn Gilsig
Kayley (voice)
Andrea Corr
Kayley (singing voice)
Cary Elwes
Garrett (voice)
Artwork unavailable
Bryan White
Garrett (singing voice)
Gary Oldman
Ruber (voice)
Eric Idle
Devon (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)
Artwork unavailable
Sarah Rayne
Young Kayley (voice)
Sherry Lynn
Additional Voices (voice)
Mickie McGowan
Additional Voices (voice)
Artwork unavailable
Linda Harmon
Singing Voice (voice) (uncredited)