The ensemble and supporting cast features America Ferrera, Ben Feldman, Lauren Ash, Colton Dunn, Nico Santos, Nichole Bloom and Mark McKinney.

[1] The series was the first project for Ruben Fleischer's newly formed company The District as part of a two-year deal with Universal, as he directed the pilot episode.

[20] On March 2, 2015, Deadline reported that Superstore had added three other cast members, which was Colton Dunn, Mark McKinney and Nico Santos.

[24] Three days later, TVLine announced on March 16, 2015, that America Ferrera had landed the female lead as the floor supervisor Amy in the Cloud 9 store.

The site's consensus is: "Superstore's talented cast and obvious potential are slightly overshadowed by a tonally jumbled presentation and thin, formulaic writing.

"[29] After the series aired its Olympics special, Variety wrote that the show was "a funny, pointed and essential workplace comedy", and that "there are no weak links in [the] ensemble".