Allison Janney is excited to return to the set of Mom, even amid her longtime costar Anna Faris’ absence.On Monday, September 14, the 60-year-old Oscar winner shared a glimpse at how the cast and crew were keeping safe on the popular show’s set amid the coronavirus pandemic. Janney, along with other cast and crew members in her brief video, wore protective face masks.“Hi everyone, we are all back at Mom.