Sam Neill and Sam Claflin also shared tributes on social media.
The Canadian filmmaker passed away at his cabin outside Quebec City, Canada, over the weekend.
The Hollywood filmmaker passed away of natural causes on Thursday morning.
Ivan Reitman passed away in his sleep on Saturday night.
William Hurt won the Academy Award for Best Actor for his performance in 1985's Kiss of the Spider Woman.
Helen Mirren feels sad that she lost Roger Michell so soon after working with him.