Michael and son, Zev
Some of the cast will obviously go back to what they were doing before Russian Dolls hit the air waves. Renata has a long career in radio and her own business ventures, as well as, hosting parties. Anna is a model and has her own school to run. Svetlana and her husband run their jewelry store. And then there's Michael and Marina, who co-own Rasputin with other owners (we have been told in comments).
Michael has been promoting Rasputin and Russian Dolls every chance he gets. However, with the demise of the show, he has switched back to promoting his law firm, levitis law and his status on facebook reads: "