Quiz

Virna Lisi had to be absent from the set until she recovered from a case of measles.

The film was covered extensively by Playboy in a pictorial feature that had David Niven surrounded by many scantily clad females.

Roger Ebert walked out of his screening of the film, claiming it was one of the worst he'd ever seen.

To assemble a pre-release test audience, the producers put an ad in a Chicago paper asking "Is your name Charlie?", then listed a phone number where like-named readers could call to get free tickets to a private screening at the iconic Chicago Theatre. "Charlie" was the name given to the stone phallic piece cleaved from the statue that was to be the films McGuffin.

Not only is Monty Python's John Cleese in the movie, but his writing partner, fellow Monty Python member Graham Chapman has an uncredited role as a newscaster.