Great line in Horror Express.
man asks Cushing and Lee, "what if one of you two are the monster?"
Cushing deadpans back, "Monster? but we're British you know"
And almost without thinking about it, I riffed back, "Ah, the worst kind of monster!"
A few interesting things about that film... the Rasputin inspired monk looked amazingly like Anthony Ainley who played the Master in Doctor Who from 1981 to '89. The credits listed a very different actor. When Cushing and Lee decided to examine the eyes of every passenger to find the entity, I was reminded of the blood test in Campbell's "Who Goes There" which was finally and very creepily depicted in John Carpenter's "The Thing from Another World".