Jason Biggs, Seymour Cassel and Rhys Coiro have rounded out the cast for indie comedy “BFF and Baby.”

Fallon Goodson, Justin Kirk, Andrea Savage, Kristen Johnston and Geoff Stults have also signed on to the pic that goes into production at the end of the month.

“BFF and Baby,” starring Rachel Bilson, Kate Bosworth and Krysten Ritter, revolves around two best friends who fight to maintain normalcy in their lives after one of the girls gets pregnant and has a baby.

Kat Coiro will helm from a script she co-wrote with Ritter.

Justin Levine will produce through Stardust Pictures, with Ritter, David Phillips, Lauren Bratman and Corbin Timbrook co-producing.

Rhys Coiro was most recently seen on HBO’s “Entourage” as Billy Walsh while Biggs can be seen next in “Grassroots” with Lauren Ambrose.