James Mason's primary asset as an actor was his smooth, silky voice. It served him well when playing either a villain or the good guy. That's why I was so amused to learn of this LP whilst reading By Ken Levine.
My favorite details on the cover are the Bozo seal of approval and Mason's coffin nail.
Here's Mason's appearance as the mystery guest on What's My Line? Alvin was nowhere to be seen:
