* Jamie Denbo as Stella
* Jenna Fischer as Brenda
* Katie Aselton as Gina
* Britt Lower as Beatrice
* Michael Showalter as Greg
The series also featured guest stars like:
* Paul Rudd
* Zach Galifianakis
* Fred Armisen
* Kristen Schaal
* Andy Samberg
This is not an exhaustive list, as there were many other recurring and guest stars involved in the series.