Paul Winchell.... Fleegle (voice)
Daws Butler.... Bingo (voice)
Allan Melvin.... Drooper (voice)
Don Messick.... Snork / Prof. Carter / Aramis / Shagg Rugg (voice)
Bruce Watson.... D'Artagan of the Three Musketeers (voice)
Barney Phillips.... Porthos of the Three Musketeers (voice)
Jonathan Harris.... Athos of the Three Musketeers (voice)
Ted Eccles.... Tooly of the Three Musketeer (1968-1970) (as Teddy Eccles) (voice)
Julie Bennett.... Queen, The / Constance (voice)
Henry Corden.... Bez / Paw Rugg (voice)
Paul Frees.... Evil Vangore / Sazoom (1968-1970) (voice)
Frank Gerstle.... Raseem (voice)
Shari Lewis.... Princess Nidor (1968-1970) (voice)
Jay North.... Prince Turhan (voice)
John Stephenson.... Fariik / Bakaar of the Arabian Knights (voice)
