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Robot Monster (1953) – Official Trailer, Cast & Details
Robot Monster at a Glance
Robot Monster is a 1953 science fiction and horror film directed by Phil Tucker, starring George Nader, Claudia Barrett and Gregory Moffett. It has a runtime of 1 hour 6 minutes and came out on June 24, 1953. Robot Monster holds an average TMDB user score of 4.5/10 from 107 votes.
Watch the official Robot Monster trailer for free in 123Movies below.

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Storyline & Synopsis
Ro-Man, an alien robot who greatly resembles a gorilla in a diving helmet, is sent to earth to destroy all human life. Ro-Man falls in love with one of the last six remaining humans, and struggles to understand how his programming can instruct him to kill her while his heart demands that he can't.
Where “Robot Monster” Fits in the 123Movies Catalog
Frequently Asked Questions About Robot Monster
When was Robot Monster released?
Robot Monster was released on June 24, 1953.
What is the runtime of Robot Monster?
Robot Monster has a runtime of 1 hour 6 minutes (66 minutes).
Who stars in Robot Monster?
Robot Monster stars George Nader as Roy, Claudia Barrett as Alice, Gregory Moffett as Johnny and John Mylong as The Professor. The cast also includes Selena Royle, Pamela Paulson, George Barrows and John Brown.
Who directed Robot Monster?
Robot Monster was directed by Phil Tucker. The screenplay is credited to Wyott Ordung.
What genre is Robot Monster?
Robot Monster is listed on TMDB as a mix of science fiction and horror.
What is the TMDB score of Robot Monster?
On TMDB it has an average user score of 4.5/10 from 107 votes.
Where can I watch the trailer for Robot Monster for free?
You can watch the trailer for Robot Monster, "Robot Monster Trailer (1953)", for free on this 123Movies page. It is embedded from YouTube.
What movies are similar to Robot Monster?
Movies TMDB recommends alongside Robot Monster include Death Machine (1995), Monsters of Man (2020), Companion (2025), Soulm8te (2026) and The Earth Dies Screaming (1964).
Can I stream the full movie of Robot Monster on 123Movies?
No. 123Movies only shows official trailers and title information. Full movies are not hosted or linked on this site.

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