Ryan is dressed for Halloween as Aaron Paul's character Jesse Pinkman from Breaking Bad (2008). One month earlier, at the 63rd Primetime Emmy Awards, the cast of 'The Office' appeared in a skit where multiple celebrities and TV characters make cameos in the Dundler Mifflin office. In the skit, Ryan makes a comment to the camera that his biggest problem on the office is 'security - anyone can walk in here.' Aaron Paul then enters, in character as Jesse Pinkman, and drops off a package of crystal meth to Creed.
Angela is wearing the same cat costume she wore in the series' first Halloween episode, Halloween (2005).
Kevin says that he is afraid of real things, like serial killers and kidnappers. Brian Baumgartner (Kevin) played a serial killer on an episode of Mentes criminales (2005).
Previous Dwight's costumes include Freddy Krueger Pesadilla en Elm Street (1984) and Hell Priest (later Pinhead) from Hellraiser: Los que traen el infierno (1987).