Marshall Thompson
Mel Hunter
World of Giants is an American black-and-white science fiction spy-fi television series that aired in syndication from September 5, 1959, until November 28, 1959. It starred Marshall Thompson and Arthur Franz. It was aimed to be aired on CBS but a sponsor could not be found although the series aired on Australian television in 1959, and syndicated in select U.S. markets starting in 1961. imdb.com