Brothers Charlie, Adrian and Michael try to unlearn everything their psychoanalyst parents have taught them about life, as their family unit teeters on the edge of a collapse.
| Actor | Role |
|---|---|
 Thora BirchVivian Petunia | Vivian Petunia |
 Brittany SnowRobin McDougal | Robin McDougal |
 Eddie Kaye ThomasMichael Petunia | Michael Petunia |
 Christine LahtiFelicia Petunia | Felicia Petunia |
 Michael UrieGeorge McDougal | George McDougal |
 Tobias SegalCharlie Petunia | Charlie Petunia |
 David RaschePercy Petunia | Percy Petunia |
| JJimmy HeckAdrian Petunia | Adrian Petunia |
| BBranca FerrazoNatassia | Natassia |
 Kathy SearleLynn | Lynn |
| LLion ShirdanRussel | Russel |
 Meredith HolzmanMelinda | Melinda |
 Cosondra SjostromBethany Bevins | Bethany Bevins |
| BBolt BirchTony Thrust | Tony Thrust |
 Shad GaspardXL | XL |
 Michael EmeryNot listed | Not listed |