In a story from The Hollywood Reporter, Jaimie Alexander and Colm Feore have joined Marvel Studios adaptation of Thor that Kenneth Branagh is directing.
Alexander and Feore will be joining Chris Hemsworth who is already cast as the title character. Tom Hiddleston, will play Loki, the god of mischief who is the movie's villain. Natalie Portman is going to be Thor's human love, Jane Foster.
In Thor, Alexander will play Sif. She is a skilled Asgardian warrior who can fight as well as any man. She also is one of Thor's many loves.
Feore's character is currently cloaked in mystery. All that's known is that he's a villain.
At the center of the story is The Mighty Thor, a powerful but arrogant warrior whose reckless actions reignite an ancient war. Thor is cast down to Earth and forced to live among humans as punishment. Once here, Thor learns what it takes to be a true hero when the most dangerous villain of his world sends the darkest forces of Asgard to invade Earth.