46. SIGOURNEY WEAVER
The Ice Storm (1997)

The real chill in Ang Lee's Ice Storm doesn't come from the frozen Connecticut landscape of the dysfunctional family drama, but from Weaver's married, pantsuit-perfect swinger Janey Carver. No contemporary actress is better at finding the place in her characters where independence and loneliness meet. When she warns her married lover, ''Ben — you're boring me,'' the ice storm that rages outside becomes redundant.