I love Basil Rathbone. He made a wonderful Holmes. Too bad the scripts didn't match the performance. But that's another issue. Here he plays a type of Bluebeard who marries women who come into money and then bumps them off. He is a mass of psychoses, depression, and a bad ticker. He goes from being suave and successful, to maudlin and manic. A modern psychologist would have a field day. The tension that builds as he goes through his rant is a little like Jack Nicholson in "The Shining." There's a moment where the bride becomes cognizant of the fact that she is married to a lunatic. And, of course, she had been warned and has married him anyway. Anyway, the last scene where they spar intellectually is delightful and shows both actors at their best. There's a wonderful moment of realization on the young woman's face where she realizes that her life depends on what she says. It is one of the most claustrophobic bits I've ever seen and is very effective in showing that there is just a little tilt to the scales on both sides.
Review of A Night of Terror
