VIDEO: First Look - 'The Beast' Promo for HBO's GAME OF THRONES

Below, check out the "The Beast" promo for GAMES OF THRONES. The third season of the hit HBO show returns to the cable network on March 31st, 2013.

Based on the novels of George R.R. Martin, the third season is said to adapt events from "A Storm of Swords."

The cast includes Emmy and Golden Globe winner Peter Dinklage, Michelle Fairley, Lena Headey, Emilia Clarke, Nikolaj Coster-Waldau, Aidan Gillen, Iain Glen, Kit Harington, Richard Madden, Maisie Williams, Isaac Hempstead Wright, Sophie Turner, Jack Gleeson and Alfie Allen.