sentences:  This was the feature film debut of Darryl F. Zanuck's mistress Bella Darvi, whose stage surname was a combination of Zanuck's first name and that of his wife Virginia.Charles Boyer was originally cast in the role as Professor Montel, which later went to actor Victor Francen.Zanuck often screened the film in CinemaScope to directors who had reservations about working in the widescreen process to demonstrate why its use should not be limited to just epics.