William Powell was a treasure, Claire Treavor, Basil Rathbone and Heddy Lamarr. I remember when I was 12 or so I would watch her movies on our first black and white TV. I ended up marrying a girl who could be her sister. Anyway, this is a movie that works on so many levels, great script, the mystery keeps you guessing until the final 5 minutes. Having had amnesia myself, I can relate to Talbot's frustration. And an added treat, "Ma York" as I had never seen her.