Mike Judge Hank Hill Voice, Executive Producer Kathy Najimy Peggy Hill Voice Pamela Adlon Bobby Hill Voice Johnny Hardwick Dale Gribble Voice Stephen Root Buck Strickland Voice Brittany Murphy Luanne Platter Voice David Herman Booster Voice Lauren Tom Minh Souphanousinphone, Kahn 'Connie' Souphanousinphone Jr. Voice Jonathan Joss John Redcorn, Driver #2 Voice Toby Huss Kahn Souphanousinphone Sr. Voice Ashley Gardner Nancy Hicks Gribble Voice Tom Petty Lucky Guest Voice Trace Adkins Elvin Mackleston Guest Voice Christopher Lloyd Smitty Guest Voice Mac Davis Head Coach, Sports Jock Guest Voice Greg Daniels Executive Producer Michael Rotenberg Executive Producer Howard Klein Executive Producer John Altschuler Executive Producer Dave Krinsky Executive Producer