The Day the Earth Stood Still made an early foray into electronic music, one year before Karlheinz Stockhausen and three years before Edgard Varèse, something that was overlooked by the classical elite. 20th Century Fox later reused the Bernard Herrmann title theme in the original pilot episode of Irwin Allen's 1965 TV series "Lost in Space"; the music was also used extensively in Allen's "Voyage to the Bottom of the Sea" series episode, "The Indestructible Man". Danny Elfman noted "The Day the Earth Stood Still"s score inspired his interest in film composing, and made him a fan of Herrmann. "Variety" praised the documentary style of "The
Land of the Giants the part of Dan Ericson, credited his previous football, track and pole vaulting work for helping him with the stunts required. Elements of Allen's "Lost in Space" series recur in "Land of the Giants", notably the relationship between foolish, greedy, on-the-run bank robber Alexander B. Fitzhugh (Kurt Kasznar) and the young boy Barry Lockridge (Stefan Arngrim), paralleling the relationship on "Lost in Space" between Doctor Smith and the young Will Robinson. Also, for main cast billing, Kasznar was treated contractually in the same manner as Jonathan Harris had been on "Lost In Space": billed in last place on the opening