The pop-up began when a large glass box appeared in Grand Central's Vanderbilt Hall, containing a replica of the four-seated desk from Lumon's Macrodata Refinement department. Hired actors playing Lumon employees sat at their desks, doing Lumon things (by which I mean, sorting numbers while not having a clue what said numbers mean).

Adam Scott, Britt Lower and Zach Cherry all appeared as their 'Severance' characters for the pop-art. Ben Stiller was on hand for pictures.

Ben Stiller and the cast of “Severance” took over Grand Central Station Tuesday with a pop-up of the offices from the dystopian thriller. The director, 59, filmed the glass cubicles as stars Adam Scott,

The popular Apple TV+ series Severance makes its triumphant return on January 17 with its highly anticipated second season. We’ll return to the world of Lumon Industries, innies and outies, waffle parties and scary numbers, catching up with Adam Scott’s Mark Scout after nearly three years.

With Season 2 of Apple TV+ series 'Severance' premiering Friday Jan. 17, stars Adam Scott (Mark), Britt Lower (Helly), Zach Cherry (Dylan), Patricia Arquette (Ms. Cobel) and Tramell Tillman (Mr. Milchick) made an appearance at New York City’s Grand Central on Tuesday for a promotional pop-up,