Mr. MICHAEL RENNIE: (As Klaatu) It is no concern of ours how you run your own planet.

NPR: A Robert Wise Reprise

Mr. RENNIE: (As Klaatu) Your choice is simple: Join us and live in peace, or pursue your present course and face obliteration.

NPR: A Robert Wise Reprise

The latter characteristic certainly suits his latest role - that of an alien visitor, Klaatu, who arrives on Earth to warn of an impending global apocalypse.

BBC: Science friction with star Reeves