Merlin (voice)

Karl Swenson

Merlijn

Lex Goudsmit

Sir Ector

Sebastian Cabot

Wart

Pieter Verbiest

Wart (voice)

Rickie Sorensen

Madam Mim / Old Lady Squirrel (voice)

Martha Wentworth

Archimedes the Owl (voice)

Junius Matthews

Ector

Coen Flink

Sir Pellinore (voice)

Alan Napier

Archimedes

Ger Smit

Kay (voice)

Norman Alden

Kay

Edwin Rutten

Madam Mim

Tonny Huurdeman

Little Girl Squirrel (voice)

Ginny Tyler

Scullery Maid (voice) (uncredited)

Barbara Jo Allen

Wart (voice)

Richard Reitherman

Wart (voice)

Robert Reitherman

TIger / Talbot (voice) (uncredited)

Mel Blanc

The Wolf / Pike / Tiger Mim (voice) (uncredited)

James MacDonald

Wart

Rickie Sorenson

Knight in Crowd (voice) (uncredited)

Tudor Owen

Pike / Tiger Madam Mim (roaring) (voice) (uncredited)

Candy Candido

Black Bart (voice) (uncredited)

Thurl Ravenscroft

Knight in Crowd #1(uncredited)

Jack Albertson