Julianne Moore

Telly Paretta

Dominic West

Ash Correll

Gary Sinise

Dr. Munce

Anthony Edwards

Jim Paretta

Alfre Woodard

Det. Anne Pope

Linus Roache

A Friendly Man

Robert Wisdom

Carl Dayton

Jessica Hecht

Eliot

Christopher Kovaleski

Sam

Matthew Pleszewicz

Sam at 5

Katie Cooper

Library Clerk

Scott Nicholson

Cop

P.J. Morrison

Cop

Tim Kang

Agent Alec Wong

Kathryn Faughnan

Lauren Correll

Felix Solis

Brasher

Susan Misner

Agent Lisa Franks

Lee Tergesen

Al Petalis

Ken Abraham

Gas Station Attendant

J. Tucker Smith

Sheriff Howell

Ann Dowd

Eileen the Accountant

Brielle Barbusca

Child Walking with Mother (uncredited)

Kathrina Miccio

Mrs. Munce (uncredited)

Frank Stellato

NSA Agent (uncredited)

Zoë Raye

Additional Voices (voice) (uncredited)