Rachel Watson, devastated by her recent divorce, spends her daily commute fantasizing about the seemingly perfect couple who live in a house that her train passes every day, until one morning she sees something shocking happen there and becomes entangled in the mystery that unfolds.
Emily Blunt
as Rachel Watson
Rebecca Ferguson
as Anna Watson
Haley Bennett
as Megan Hipwell
Luke Evans
as Scott Hipwell
Justin Theroux
as Tom Watson
Allison Janney
as Detective Sgt. Riley
Lisa Kudrow
as Martha
Laura Prepon
as Cathy
Edgar RamÃrez
as Dr. Kamal Abdic
Darren Goldstein
as Man in the Suit
Cleta Elaine Ellington
as Oyster Bar Woman
Lana Young
as Doctor
