Diego Schaaf and his wife Wei Wang spoke to NBC News about how they helped prepare Timothée Chalamet for “Marty Supreme.” ...

Here are some of the most infamous on-set feuds of all time ... and how they changed major movies and TV shows.

When Harry Met Sally… marked a complete shift in the way comedies about modern romance were handled. Reiner’s out-of-the-box pairing of Saturday Night Live comedian Billy Crystal and then-rising star ...