The Power

The Power is a 1968 science fiction film based on the novel with the same name by Frank Robinson. It is directed by Byron Haskin (Robinson Crusoe on Mars, War of the Worlds) and stars George Hamilton (born in Memphis), Suzanne Pleshette, Michael Rennie (The Day the Earth Stood Still), Arthur O'Connell (7 Faces of Dr. Lao), Nehemiah Persoff (who has a Star Trek connection), Yvonne de Carlo, Aldo Ray (We're No Angels), Celia Lovsky (who has a Star Trek connection as T'Pau from TOS). The music is by Miklós Rózsa (King of Kings (1961), Quo Vadis (1951)).

I have never been able to get into this one.

Youtube has this online in 11 sections. Embedding is disabled, but here are links to the videos: part 1, part 2, part 3, part 4, part 5, part 6, part 7, part 8, part 9, part 10, part 11

Moria notes that "some genre critics do consider The Power to be a minor classic" but says it

is considerably less than the collection of talents involved. The story is dull, the dialogue wooden and the characters one-dimensional. The moralizing tritely retreads the subject of the superman that everyone since Nietzsche has worn thin.

1000 Misspent Hours closes with this:

The rest of the movie is so good, though, that I’m willing to put up with the wobbly ending, and besides, it’s kind of cool to see so many familiar faces from the early to mid-50’s showing up here in the waning days of their careers.