Julie Bowen was pregnant in real life which is why it was written into the series. Her son, Oliver, was born the same day this episode aired, April 10, 2007.
Frank Whaley and James Spader worked together in Blacklist season 1 " The Good Samaritan"
When Neill hit his wife Lynnie, on the back of her head with the rolling pin, in the kitchen, she fell face down. Subsequent scenes she is shown laying on her back.