Spider-Man . They are listed in alphabetical order. Thom Adcox - Phineas Mason/Tinkerer , Homunculi. Ed Asner - Uncle Ben Jeff Bennett - Montana / Shocker , St. John Devereaux, Bernard Houseman. Xander Berkeley - Quentin Beck/Mysterio Clancy Brown - Captain George Stacy , Alex O'Hirn/The Rhino Lacey Chabert - Gwen