First appearance of Louis's therapist. Dr. Lipschitz has been previously mentioned by name but his identity has not been revealed until this episode.
About 23 mins into the episode, Gabriel Macht aka Harvey, states "because I said so" as his reasoning. Gabriel Macht played Johnny in the movie Because I Said So (2007) with Diane Keaton, where her main line in the movie was, "because I said so."
First appearance of Dule Hill as Alex Williams