With the passing of beloved director David Lynch, many of the actors he worked with – along with countless staunch admirers – have shared emotional tributes and testaments to his legacy.

David Lynch revolutionized cinema — and now, Hollywood is paying tribute to the legendary auteur, who died Thursday at the age of 78.

“My heart is broken. My Buddy Dave…” began Mulholland Drive star Naomi Watts on Instagram about the death of that movie’s filmmaker David Lynch. “The world will not be the same without him. His creative mentorship was truly powerful,” she wrote.