Guest Stars Marc Evan Jackson as Shawn Jason Mantzoukas voices Derek Hoffstetler Jama Williamson as Val Maribeth Monroe voices Mindy St. Claire Dax Shepard as Chet Co Starring Fran Gillespie as Megan Jim Meskimen as Bertram Varmin Ross Bryant as Petruchio Behzad Dabu as Dirk Dah-Uh Morrow as Chork