Robot (Lost in Space) arms. The Robot was performed by Bob May in a prop costume built by Bob Stewart. The voice was primarily dubbed by Dick Tufeld, who was also the series' narrator, and Jorge Arvizu for the Spanish dubbing. The Robot was designed by Robert Kinoshita, who also designed "Forbidden Planet"'s Robby the Robot. Robby appears in Lost in Space episode #20 "War of the Robots" and in episode #60 "Condemned of Space". The Robot did not appear in the unaired pilot episode, but was added to the series once it had been greenlit. Initially, the bellows-covered legs were articulated, and were
Forbidden Planet composed by Bebe and Louis Barron. MGM producer Dore Schary discovered the couple quite by chance at a beatnik nightclub in Greenwich Village while on a family Christmas visit to New York City; Schary hired them on the spot to compose his film's musical score. While the theremin (which was not used in "Forbidden Planet") had been used on the soundtrack of Alfred Hitchcock's "Spellbound" (1945), the Barrons' electronic composition is credited with being the first completely electronic film score; their soundtrack preceded the invention of the Moog synthesizer by eight years (1964). Using ideas and procedures from the book