Gwyneth Paltrow

as Catherine Llewellyn

Anthony Hopkins

as Robert Llewellyn

Jake Gyllenhaal

as Harold 'Hal' Dobbs

Hope Davis

as Claire Llewellyn

Danny McCarthy

as Cop

Tobiasz Daszkiewicz

as Limo Driver

Gary Houston

as Professor Barrow

Leigh Zimmerman

as Friend at Party