Sean Penn as Thomas Janes

Catherine McCormack as Jean Janes

Elizabeth Hurley as Adaline Gunne

Sarah Polley as Maren Hontvedt

Josh Lucas as Rich Janes

Ciarán Hinds as Louis Wagner

Richard Donat as Mr. Plaisted

Ulrich Thomsen as John Hontvedt

Anders W. Berthelsen as Evan Christenson

Joseph Rutten as Judge

John Walf as Defense Attorney

Katrin Cartlidge as Karen Christenson

Vinessa Shaw as Anethe Christenson

Adam Curry as Emil Ingerbretson

John Maclaren as Dr. Parsons

Rita Kvist as Young Maren Christenson

Jan Tore Kristoffersen as Young Evan Christenson

Catherine Kellner as College Student

Karl Júlíusson as Mr. Christenson

Peter Cobbold as Priest

R. D. Call as Coast Guard Officer

Richard Scobie as Clerk