Actress Meredith Eaton is four years older than Kacie Borrowman, who plays her daughter in this episode.
Actress Meredith Eaton guest stars in this episode and is also known for playing a recurring character on NCIS, another show with a curmudgeonly boss who pushes his team to solve puzzles. Unlike House, NCIS's Gibbs has a good heart despite his rough exterior.
At about thirty minutes into the episode, while Dr. James Wilson and Dr. Lisa Cuddy discuss the patient with the team, you can see briefly that Dr. Cuddy has a subconjunctival hemorrhage on her right eye--the same side as Dr. House's damaged leg.