Natalie Portman told MTV that Kat Dennings (NICK AND NORAH'S INFINITE PLAYLIST) is on the cast of THOR, but didn't reveal the role she'll be playing.

THOR's cast already includes Chris Hemsworth, Tom Hiddleston, Natalie Portman, Anthony Hopkins, Jaimie Alexander, Colm Feore, Samuel L. Jackson, Stellan Skarsgard, Stuart Townsend, Ray Stevenson, Tadanobu Asano and Idris Elba.