(I don't believe the following will violate the A.U.P.s here, but ya never know.....)
You guys do realize that "The Day The Earth Stood Still" is really a Sci-Fi or secular version of the story of Jesus Christ, don't ya?!
Michael Rennie's Klaatu comes from the sky, adopts the name of "Mr.Carpenter", tries to help humanity learn to love one another or at least get along, dies and is resurrected.