Emily Blunt

Evelyn Abbott

Lauren-Ashley Cristiano

Emmett's Wife

Ashley Dyke

Woman in the Window

Andy Rich

Island person

Robert A. Coldicott

Townsperson

Zachary Golinger

Emmett's Son

Sheri Fairchild

Woman at Hair Salon

Barbara Singer

Old Woman in Store

Gary Sundown

Island Person

David Lundy

Marina Person

Liz Cameron

Island Person

Scott Matheny

Townsperson (uncredited)

Silas Pereira-Olson

7 Year Old Island Boy (uncredited)

Cillian Murphy

Emmett

Millicent Simmonds

Regan Abbott

Noah Jupe

Marcus Abbott

Djimon Hounsou

Man on Island

John Krasinski

Lee Abbott

Wayne Duvall

Roger

Scoot McNairy

Marina Man