Amanda Seyfried as Julie Davis

Finn Wittrock as Ethan Davis

Britt Robertson as Rachel Davis

Jennifer Carpenter as Lucy

Paul Giamatti as Dr. Sylvester

Amy Irving as Bobbi Davis

Josh Hamilton as Dr. Salzman

Darren Goldstein as Kevin

Michael Gaston as Ron

Alysia Reiner as Pam

Logan Macrae as Jake

Cate Elefante as Young Julie

Fiona Graham as Lindsay

Fedna Jacquet as Nurse Jackie

Ariana Jalia as Little Girl

Jared Johnston as Grocery Store Manager

Juan Carlos Hernández as Taxi Driver

West Duchovny as Ice Cream Girl

Monica Eva Foster as Waitress