Anne Dudek as Lura Grant says that she is a fully registered nurse and that she would be in contact with Roman Grant's doctors and surgeons. Anne Dudek would go on to play another medical professional, Amber/"Cutthroat B***h", on House (2004).
Amanda Seyfried (Sarah Henrickson) and Tina Majorino (Heather Tuttle) also worked together on Veronica Mars (2004).
Ben talking to Kathy's twin sisters at Aunt's house, says that if their sister Kathy marries his uncle Joey, then they would be his aunts. But they wouldn't.