Devil Girl From Mars ( 1954) : Edward J. Danziger, Harry Lee Danziger : Free Download, Borrow, and Streaming : Internet Archive
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From IMDb: An uptight, leather-clad female alien, armed with a ray gun and accompanied by a menacing robot, comes to Earth to collect Earth's men as breeding...

Devil Girl from Mars is a 1954 British second feature black-and-white science fiction film directed by David MacDonald and starring Patricia Laffan, Hugh McDermott, Hazel Court, Peter Reynolds, and Adrienne Corri. The screenplay was by James Eastwood based (per on-screen credits) on a play by John C. Mather and Eastwood, and was produced by the Danziger Brothers. It was released by British Lion and released in the United States the following year.

https://en.wikipedia.org/wiki/Devil_Girl_from_Mars

the poster

(note: this post is just for archiving. The Mastodon #monsterdon people never stop talking about this movie, so I decided it had to be posted here too)