The Man Who Fell to Earth - 1976

Thomas Jerome Newton is an alien who has come looking for water to Earth to save his home planet. Thomas uses his understanding of technology to generate profitable inventions. Thomas begins to fall in love with her, also matches Mary-Lou, a quiet hotel clerk while developing a procedure to transfer water. Just as he could be prepared to leave Earth,'' Thomas is intercepted by the U.S. administration, and also his entire plan is jeopardized.