Guest Stars Kenny Ridwan as Dave Kim Jennifer Irwin as Virginia Kremp Stephen Tobolowsky as Principal Earl Ball Jacob Hopkins as Chad Kremp Sam Kindseth as David Sirota Nathan Gamble as Garry Ball Suzy Nakamura as Mrs. Kim Lynette DuPree as Doris McRiggle Mike Rock as Dr. Sirota Mike Nojun Park as Sam Goody Guy Morgan Beck as Cowboy Josh Uncredited Patton Oswalt voices Narrator / Adult Adam Goldberg