Crawling, Slimy Things Terror-Bent on Destroying the World! A very smoky Leonard Nimoy appears at 50:50 as Prof. Cole (name misspelled in 10th place in the credits as "Leonard Nemoy") After the film was released, it was clear that scenarist Gordon Urqhart had based his screenplay on the novel The Puppet Masters by Robert A. Heinlein. Heinlein sued for plagiarism and executive producer Roger Corman, avowing he was unfamiliar with Heinlein's work when presented with the script and during production, but could see the obvious references, settled out of court with a $5000 payment to Heinlein and an accession to Heinlein's insistence he receive no screen credit, as he found the film "wanting". Quote, Senator Walter K. Powers: "I'm here, and I want action! ... Or my name isn't Walter K. Powers!" Sightings: 7:45 Weird guy holding glowing globe looking around suspiciously! 11:03 "Watch this", then shoots a gun into spaceship and listens to it echoing around! ("We don't know what's in there . . . let's shoot it!") 11:23 "What's it mean!?" 12:17 "I don't know!" 13:04 "I don't know!" 14:03 "I don't know!" 21:00 Another weird guy with a glowing globe! 23:06 Lesson: Don't try to make time with the babe when there's an alien creature by your arm! 31:56 First sight of the amazing FX of the alien brain eater! 33:45 Scary face at window! 38:16 First closeup of alien in jar! 38:37 Alien attacks! 39:44 Nice backlit babe! 40:15 Not so nice backbit babe! 42:48 Breathing back-thing! 45:08 Another breathing back-thing! 47:27 Oh no, another one -- they've back-bit everyone! 50:50 Spock's Brain (eater?)! ... https://www.youtube.com/watch?v=aI8b-Twh8aA

... https://www.youtube.com/watch?v=u0FN02KxYPg