Cary Elwes, Mandy Patinkin, Chris Sarandon & Fred Savage remember Rob Reiner with touching tributes to the late filmmaker.

Patinkin – who starred in Reiner's 1987 classic "The Princess Bride" – mourned his director and friend Rob Reiner on Monday.

Stars of "The Princess Bride" and "Stand by Me" reacted to director Rob Reiner’s death, sharing what he meant to them.