When she looked above her head she could see misty silvery trees which were casting the moving shadows - wonderful big trees full of fruit and vines and birds, all crowded and dancing together.

This may be due to the casting of Kikuchi – the poster girl for troubled Japanese youth following her performance in Babel (2006) – but the lengthy sanatorium scenes are mournful rather than moving.

Thus, casting to a base type is moving up the inheritance diagram: upcasting.