Fremont - Wired Scotch Cairn terrier (played by Danny the dog) on the sitcom DENNIS THE MENACE/CBS/1959-63. Fremont was the family pet of George and Martha Wilson (Joseph Kearns & Sylvia Field) a retired couple who lived next door to the mischievous Dennis Mitchell (Jay North). Danny the dog also appeared in the movies Anatomy of a Murder (1959), and Pal Joey (1957).