Late Show with David Letterman
Sigourney Weaver, Marv Albert, Julian Casablancas
E68 Jan 6, 2010 TV-PG
Dave & Sigourney Weaver turn "Avatar" blue. Plus: Marv Albert's wild & wacky sports bloopers and Julian Casablancas performs.
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Cast of Sigourney Weaver, Marv Albert, Julian Casablancas