Phil DeVille as Jimmy Neutron

Chuckie Finster as Hugh Neutron

Didi Pickles as Jody Neutron

Tommy Pickles as Carl Whezzer

Chaz Finster as Sheen

Angelica Pickles as Cindy Vortex

Kira Finster as Libby

Boris Pickles as Butch

The Space Base Bullamanka (from the Cheating Scales of Bullamanka & God Wants Me to Forgive Them) as the Retroville

Aunt Miriam as Mrs. Flow

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