The Secret of Mayerling (Commercial Pictures) is another French retelling of the famed historical whodunit posed by the violent death of Habsburg Crown Prince Rudolph and his young mistress, and still another version of what really happened to them in the royal hunting lodge near Vienna on the night of Jan. 30, 1889.
In 1937's lushly romantic Mayerling, Charles Boyer and Danielle Darrieux played out the theory of a suicide pact, inspired by Emperor Franz Joseph's order to break off the love affair. The real dope, whispers the new picture confidentially, is that the Prince (Jean Marais) and Marie Vetsera (Dominique Blanchar)...