Jessica Biel, nurse of shock in Thor?

After the noises on a male casting which made quiver the Net during a few months, Thor becomes again an engine with rumour. This time one speaks much about the role of Jane Foster, l' nurse who becomes the boyfriend of Dr. Blake, alter terrestrial ego of the demigod Viking. Here a few days, one murmured, a priori without bases, that Natalie Portman was castée. C' is from now on Jessica Biel (Blade Trinity and L' Illusionist) who has the favours of many sites. Some rather see it in the role of Sif, warlike in the same beginnings as Thor, d' others in Amora a powerful witch.