Director Credits Patrick Stewart for Saving 'Green Room' Film

• Jeremy Saulnier, writer and director of 'Green Room', paid tribute to Patrick Stewart during a 10th-anniversary screening.
• Stewart, who passed away at age 86, starred in the 2015 film and helped when the project was nearly shut down.
• Saulnier credited Stewart with 'saving the day' and described him as a 'f—ing sweetheart'.
• The tribute took place in Los Angeles on Friday, one day after Stewart's death.
• Saulnier also shared a message from Stewart to fans: 'Don't root for the Nazis'.