One character was heard but not seen - Mr. Terhorst (voice of Michael Cumpsty), the president of AmCanTranConComCo who communicated with all his employees anywhere that fiber-optics could be installed.
This episode played upon the series' comic book connection by guest starring comic book artists Bob Kane, Jack Kirby, Mell Lazarus, Jim Lee, Marc Silvestri, Mel Keefer, Paul Power, Art Thibert and Sergio Aragones (co-creator of Groo with "Bob" scripter Mark Evanier.) .