"We start this season, there's a much more unified front with the marriage, the marriage is very real now," she explained. "If last season was sort of a metaphor on marriage and how complicated it is, I feel like this season is a metaphor for family, keeping outside forces out."
But in spite their best efforts to be normal, Russell and Matthew Rhys's characters are always "using [their] sexuality to get secrets or to get information."
The second season of The Americans, a period drama series about two KGB agents pretending to be Americans, premieres Wednesday night at 10 p.m. on FX. In the meantime, you can check out Russell's interview below.
Celebrity Breakups and divorces of 2014 [PHOTOS]