The lives of a breast-cancer patient and a researcher who is trying to prove a genetic link to cancer intersect in a groundbreaking study.
Samantha Morton
as Annie Parker
Helen Hunt
as Mary-Claire King
Aaron Paul
as Paul
Alice Eve
as Louise
Maggie Grace
as Sarah
Rashida Jones
as Kim
Corey Stoll
as Sean
Richard Schiff
as Mr. Allen
Bradley Whitford
as Marshall
Marley Shelton
as Joan
Ben McKenzie
as Tom
James Tupper
as Steve
