[7] Emma Bell (Final Destination 5), Shawn Ashmore (X2: X-Men United), and Kevin Zegers (Wrong Turn) star in this claustrophobic thriller about three friends stranded on a ski-lift. Writer/director Adam Green (Hatchet, Holliston) winds the tension nicely, introducing wolves, frostbite, and paranoia to up the ante at regular intervals. The three leads all do well in their fairly juicy roles, especially Emma Bell, whose character …