Elenco de 'El umbral'

Director

Marc Forster

Elenco

Ryan Gosling Henry Letham

Ewan McGregor Dr. Sam Foster

Ryan Gosling Henry Letham

Kate Burton Mrs. Letham

Naomi Watts Lila Culpepper

Elizabeth Reaser Athena

Bob Hoskins Dr. Leon Patterson

Janeane Garofalo Dr. Beth Levy

B.D. Wong Dr. Ren

Becky Ann Baker Paramédico

Productores

Arnon Milchan