Watch MTV's 'Avatar' Webcast Live on MoviefoneAs reported earlier this week, MTV is hosting a live Webcast this afternoon at 3 PM EST with 'Avatar' director James Cameron, stars Sam Worthington and Zoe Saldana, and producer Jon Landau. And you can watch a live, real-time feed of the roundtable right here one Moviefone.

Moderated by MTV News managing editor Josh Horowitz, the Webcast gives fans the opportunity to ask the director, stars and producer their own questions, and offers a peek at never-before-seen footage from the groundbreaking 3-D sci-fi action adventure.

Watch the Webcast live after the jump.
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