Thomas Jerome Newton is an alien who has come to Earth in search of water to save his home planet. Aided by lawyer Oliver Farnsworth, Thomas uses his knowledge of advanced technology to create profitable inventions. While developing a method to transport water, Thomas meets Mary-Lou, a quiet hotel clerk, and begins to fall in love with her. Just as he is ready to leave Earth, Thomas is intercepted by the U.S. government, and his entire plan is threatened.
as Thomas Jerome Newton
as Nathan Bryce
as Mary-Lou
as Arthur
as Oliver Farnsworth
as Peters
as Helen
as Peters' Wife (uncredited)
as Trevor
as James Lovell
as Jill
as Elaine
as Professor Canutti
as Jewelery Store Owner
as Receptionist
as Waiter
as Peters' Associate
