Steve McQueen's first leading role was as a teenager who, along with his girlfriend (Aneta Corsaut), tries to stop an ever-growing, gelatinous outer space creature from swallowing people whole and running amok in their small town. Classic low-budget sci-fi shocker was shot in Downingtown and Phoenixville, Pa.; bossa nova-flavored theme song by Burt Bacharach and Mack David. 85 min. Widescreen; Soundtrack: English PCM mono; Subtitles: English; audio commentary; photo gallery; poster gallery; theatrical trailer.