Laura Linney as Samantha Prescott

Mark Ruffalo as Terry Prescott

Matthew Broderick as Brian Everett

Jon Tenney as Bob Steegerson

Rory Culkin as Rudy Prescott

Halley Feiffer as Amy

J. Smith-Cameron as Mabel

Josh Lucas as Rudy (Kolinski) Sr.

Gaby Hoffmann as Sheila

Amy Ryan as Rachel Louise Prescott

Adam LeFevre as Sheriff Darryl

Kenneth Lonergan as Ron

Nina Garbiras as Nancy Everett

Kim Parker as Rudy Sr.'s Girlfriend

Michael Countryman as Thomas Gerard Prescott

Whitney Vance as Young Sammy Prescott

Peter Kerwin as Young Terry Prescott

Betsy Aidem as Minister

Lisa Altomare as Waitress

Richard Hummer as Plumber

Allan Gill as Older Cop

Brian Ramage as Young Cop