Add The Hobbit reference
Weta Digital used Plasma 4 for producing motion capture for The Hobbit: The Desolation of Smaug. Here's a block about it and translations to Spanish and Catalan.
Btw: it seems that they use KDE actively, and it wasn't just for that movie. Here's a current job ad where they mention "Exposure to Linux/KDE" as a desired skill.
Edited by Momo Cao