All In features some of the most recognizable and successful poker stars in the world, including Howard Lederer, his sister Annie Duke, Greg Raymer, Amir Vahidi, Paul Darden, and Robert Williamson III. Joining the roster for this year's edition are noted international poker superstars Marcel Luske, Thomas Bihl, and Erin Ness, who parlayed a victory at a Maxim Magazine office tournament into a seat at the 2004 World Series of Poker.