Zach Galifianakis, the breakout star of THE HANGOVER, is in talks to lend his voice to Humpty Dumpty in DreamWorks' PUSS IN BOOTS, reports VARIETY. The SHREK prequel is being penned by Tom Wheeler. Antonio Banderas returns as the lovable title character, along with Salma Hayek. Chris Miller (SHREK THE THIRD), who wrote an earlier version of the screenplay, will direct. DreamWorks has set Nov. 4, 2011 as the film's release date.