In episode 4.01, Shoshanna compares Adam's actor niche to Zachary Quinto and Armie Hammer. In this episode Zachay Qunito makes a guest appearance as Adam's new girlfriend's, Mimi-Rose, ex-boyfriend.
Zachary Quinto and Adam Driver both appeared in rival Sci to movie franchises. Quinto played Spock on Star Trek and Driver played Kyle Ren in the Star Wars sequel trilogy.