Scariest Dracula -- the one in the book! (No one has done a decent version yet)

Pete Seeger, I think.

Trivia questions:
In what film did Greta Garbo and Marlene Dietrich both appear?<
Name one of the pieces played in "Five Easy Pieces".
Who played the French Canadian lumberjack in "49th Parallel?"For an extra point, who played the artist in the Rocky Mountains in the same film?
In "The Petrified Forest", Leslie Howard discovers Bette Davis reading, and the book forms the basis for their short love affair. What is she reading?
What is the book Holly Martins is famous for writing in The Third Man?
What is the name of the Paris cafe in Casablanca?
Yours, Peter T.