The Blob is a 1958 American science fiction horror film directed by Irvin Yeaworth, and written by Kay Linaker and Theodore Simonson. It stars Steve McQueen (in his first feature film leading role) and Aneta Corsaut and co-stars Earl Rowe and Olin Howland. It was distributed by Paramount Pictures as a double feature with I Married a Monster from Outer Space. The film concerns a growing, corrosive, alien amoeboidal entity that crashes to Earth from outer space inside a meteorite. It envelops everything in its path in the small communities of Phoenixville and Downingtown, Pennsylvania, growing larger, redder, and more aggressive, eventually becoming larger than a building.