The episode also sees the return of former guest star Kristen Johnston (Helen) who was last seen in "The Butterfly Effect Part 2".
Joseph E. Johnston | Kristen Stewart | Daniel Johnston | Ben Johnston | Kristen Bell | Albert Sidney Johnston | Ollie Johnston | Johnston Forbes-Robertson | Johnston Atoll | Ben Johnston (composer) | Antony Johnston | Levi Johnston | Kristen Wiig | Johnston | Joe Johnston | Herbert Johnston | Freedy Johnston | David Johnston | Robin Knox-Johnston | Lynn Johnston | Lawrence Johnston | Kristen Johnston | Kristen Hall | John Taylor Johnston | Henry Halcro Johnston | Edward Johnston | Daryl Johnston | Bennett Johnston | John Johnston | Henry S. Johnston |
Famous practitioners of Practical Aesthetics include: William H Macy, Felicity Huffman, Scott Parker, Christopher Carley, Rose Byrne, Jessica Alba, Camryn Manheim, Clark Gregg, Kristen Johnston and Eddie Cahill.
Submissions Only has included cameos by Broadway veterans such as Chita Rivera, Kristin Chenoweth, Hunter Foster, Adam Pascal, Jeremy Jordan, and Danny Burstein, actors such as Rachel Dratch, Kristen Johnston and Michael Urie, and New York Post theater critic Michael Riedel.