Michael T. Weiss Tarzan (voice) Olivia d'Abo Jane Porter (voice) Jeff Bennett Prof. Archimedes Q. Porter (voice) Jim Cummings Tantor (voice) April Winchell Terk (voice) René Auberjonois (voice) Grey DeLisle Greenly (voice) Alexis Denisof Nigel Taylor (voice) John O'Hurley Neils (voice) Phil Proctor (voice) Nicollette Sheridan Eleanor (voice) Tara Strong Hazel (voice) Kevin Michael Richardson Merkus (voice, uncredited)