Where'd You Go, Bernadette

A celebrated architect who won a MacArthur "Genius" Grant for the Twenty Mile House, then abandoned architecture after a buyer demolished it and moved to Seattle.

Bernadette and Elgin's teenage daughter, who pieces her mother's disappearance together from emails, letters and other collected documents.

The Branches' neighbor and a fellow school parent, whose feud with Bernadette over a cleared hillside erupts when it collapses in a rainstorm and slides into her house.

A Microsoft executive and Bernadette's husband, absorbed in his own high-profile project as the marriage comes under strain.

A Microsoft administrator who goes to work for Elgin and becomes romantically involved with him while Bernadette is missing.