Guest Stars Alanna Ubach voices Liz Allan Deborah Strang voices May Parker Peter MacNicol voices Doctor Octopus Clancy Brown voices George Stacy Andrew Kishino voices Kenny Kong / Oberon Clancy Brown voices Rhino Steve Blum voices Dilbert Trilby James Arnold Taylor voices Frederick Foswell John DiMaggio voices Sandman Cree Summer voices Glory Grant / Cobweb Crispin Freeman voices Electro Xander Berkeley voices Quentin Beck Robert Englund voices Vulture Thom Adcox-Hernandez voices Tinkerer Steve Blum voices Blackie Gaxton Steve Blum voices Homunculi Thom Adcox-Hernandez voices Homunculi Elisa Gabrielli voices Ashley Kafka Eric J. Vesbit voices Kraven James Arnold Taylor voices Hormunculi