When Dr. Claw returns, Inspector Gadget is brought out of retirement to defeat him again, now with Penny and Brain's open participation.
Ivan Sherry
as Inspector Gadget (voice)
Tara Strong
as Penny (voice)
Martin Roach
as Dr. Claw (voice)
Scott McCord
as Brain / Professor Von Slickstein (voice)
Lyon Smith
as Talon (voice)
