Rosemarie DeWitt in Family Week
(© Carol Rosegg)
Rosemarie DeWitt in Family Week
(© Carol Rosegg)
Stage and screen star Rosemarie DeWitt will join Emily Blunt and Mark Duplass in an as-yet-untitled, semi-improvised film project, to be directed by Duplass, according to published reports. The film centers on a man who comes between two sisters.

DeWitt 's many stage credits include Family Week, Swimming in the Shallows, Danny and the Deep Blue Sea, and Small Tragedy. She currently co-stars on United States of Tara and has guest starred on Mad Men.

Her film appearances include Rachel Getting Married, along with the forthcoming Company Men and Earthbound.