Gina McKee, who played the mother of Jack Whitman (Matthew Settle) is only five years older than her on-screen son. Several of the cast members (Fionnula Flanagan, Gina McKee, and Angus Macfadyen) were born outside of the US, although they were supposed to be portraying Americans from the American south. Macfadyen was not portraying a southerner.
When Teensy blocks Vivi on the bridge, Vivi slams on the brakes, causing tire marks. Yet, when Vivi gets out of the car, we don't see any tire marks behind her on the road.
When the teenage Ya-Yas are going to Vivi's bedroom after the birthday party scene, they pass Buggy's room. When Vivi stops to watch Buggy, Teensy bumps into her coming up the stairs. There's a close up of Buggy, and then the camera cuts back to Vivi. Teensy comes up the stairs again and bumps into her.
When Lulu runs into Vivi's room, Vivi checks her temperature and picks her up. Lulu then vomits onto Vivi's nightdress, but in the next frame, the nightdress is clean.
Connor: [about Sidda and Connor's wedding]
Vivi, it's taken years to nail down a date. She's always said, "What's the rush, when things are so good?" I don't know what the hell she's so afraid of - it's like she's always waiting for the bottom to drop out.