At his side is Special Agent Kington (Turkington), with recurring appearances from many guests of the On Cinema series, such as Joe Estevez as President Davidson, and Mark Proksch as Abdul.
In response, Heidecker and Turkington started Decker-Con, where new episodes of Decker are screened and the cast appears as their "On Cinema" characters, meeting and talking to fans.
In his quest to save America, Decker is aided by the CIA's "master of codes", the movie-obsessed Jonathan Kington (Turkington), whose name is frequently mispronounced as either Kingston or Klington.
The series is also party to overdrawn scenes, such as in season 2, where the main character sings "Our Values Are Under Attack," a partisan political song created by Heidecker.
Heidecker has said of production that there is, to an extent, purposefully little preparation in the process to make the show appear as low-quality as possible, as well as stating: "We'll also go off-script and rant a bit to get everyone confused.