To impress a beautiful girl, Harold Kelp, the grandson of professor Julius Kelp, who created a potion to transform his personality, gets his hands on his grandfather's secret elixir and unleashes his destructive alter ego, Jack.

Genres

Cast

Drake Bell

Harold Kelp/Jack Love

Jerry Lewis

Professor Julius Kelp / Buddy Love

Tabitha St. Germain

Robin

Brian Drummond

Dean Von Wu

Andrew Francis

Brad/Tad

Britt Irvin

Polly

Danielle Lewis

Suzy Perkins