Kat Dennings has joined the cast of Thor -- according to the movie's leading lady, Natalie Portman.

Portman told MTV of the news while promoting her soon-to-be-released drama Brothers: "Kat Dennings is going to be in it with me and she's a good friend and an amazing actress, so I'm looking forward to that."

It's not yet known which role Dennings (Nick and Norah's Infinite Playlist) would fill (the Enchantress?!), but the up-and-coming actress joins a strong cast that already boasts Anthony Hopkins, Idris Elba, Samuel L. Jackson and Chris Hemsworth as the title character.

Thor, directed by Kenneth Branagh, will be released on May 20, 2011.

Source: MTV.com