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,

Stars Adam Scott, Britt Lower, Zach Cherry, Tramell Tillman and Patricia Arquette all appeared at the New York City station on Tuesday, Jan. 14