The lawyer representing the studio in a sexual harassment suit is from law firm "Gage-Whitney". This company is also the employer of character Sam Seaborn before he joins the first "Bartlet for America" campaign in another Aaron Sorkin creation - The West Wing (1999).
The "Gage Whitney" law firm did not make its final appearance in the Aaron Sorkin universe in this episode. It made a third appearance in the 2017 Sorkin film "Molly's Game."
The Guest Host, not appearing on screen, was Renée Zellweger. There was no Guest Musical Act this episode.