Sven. It'd do him some good to get out of the house and have homoerotic adventures in a far-off sweat-shop.
Actually, scratch that; Marten can be Elrond, Sven can be the Frodo, Steve can be Sam, Marigold can be Arwen, Hannelore can play Eowyn, Dora and Faye can be Legolas and Gimli, and Sara was Boromir until the allosaur turned up.