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Uniquely, Fox was in both Titanic and the earlier version of the tragedy, A Night to Remember. In the latter, he actually got to deliver the immortal line, "Iceberg ahead, sir!" He guested as the hapless British Col. Crittendon on "Hogan's Heroes" and also guest-starred in an episode of M*A*S*H as a Britsh Officer who is tough on his wounded men who are in in post-op. Also notable are his three guest appearances on "The Andy Griffith Show" as the lovable "Mr. Malcolm," a gentlemen who travels by bicycle and stays with Sheriff Taylor, Opie and Aunt Bea. One of the rare actors to have played the same part on three different series. He originated the part of Dr. Bombay (a witch doctor) on "Bewitched", repeated the role on the sequel "Tabitha" (1977) and again on "Passions" (1999).