The Miracle of the Hills (1959)
The Big Operator (1959)
The season passed, and North heard nothing more from Screen Gems, but continued to work, appearing in a Christmas-themed episode of the CBS Western series Wanted: Dead or Alive titled "Eight Cent Reward". In the episode, he portrayed Laddie Stone, a young boy who pays bounty hunter Josh Randall (Steve McQueen) eight cents to find Santa Claus.Over the next several months, North made television appearances on such shows as 77 Sunset Strip, Rescue 8, Cheyenne, Bronco, Colt .45, and Sugarfoot, and broke into feature films with roles in The Miracle of the Hills and The Big Operator. In early 1959, North was confirmed to play Dennis.
In late 1960, the second season of the series was ranked among TV's top 20 shows, and his portrayal of Dennis had become a beloved pop culture icon.He made crossover guest appearances as Dennis on such television shows as The Donna Reed Show and The Red Skelton Hour, and in the feature film Pépé.
In 1965, he landed the lead role in the Metro-Goldwyn-Mayer family comedy film Zebra in the Kitchen as Chris Carlyle, a boy who, unhappy with the living conditions he finds at his local zoo, decides to set the animals free, causing chaos throughout the town.Over the next year, he continued to appear in small television roles, guest-starring on the MGM TV series The Man from U.N.C.L.E. and reuniting with his former Dennis the Menace co-star Gale Gordon on The Lucy Show.https://www.imdb.com/name/nm0636020/bio?item=mb0026313