The Other Darrin: In an early episode, Tracy's wife Angie was played by Sharon Wilkins in a non-speaking cameo. In all subsequent episodes, Angie is played by Sherri Shepherd.
- The street performing robot hired as a new actor in Season 4's audition day may be covered in silver paint, but it's still obvious enough that he is not Cheyenne Jackson.
- During the fifth season live show, Julia Louis-Dreyfus also played Liz Lemon, alongside Tina Fey.
Jack: Why are you better-looking in your memory?
- During the sixth season live show, Amy Poehler played Liz Lemon as a young girl.
- Jimmy Fallon played young Jack in the same flashback of this episode.