Clash of titans...or balls?

One of the movies that i am looking forward to see. Plus it is going to be 3D. The cast looks very interesting. Liam Neeson as Zeus? Awesome! Ralf Phienes as Hades? Sweet! But that dude from Terminator Salvation and Avatar is in it. At the beginning i like him but later he looks in every film the same. Can you please change your hairstyle? Or your accent? You are playing a greek person for