Laura Linney as Sammy

Mark Ruffalo as Terry

Matthew Broderick as Brian

Jon Tenney as Bob

Rory Culkin as Rudy

J. Smith-Cameron as Mabel

Josh Lucas as Rudy Sr.

Gaby Hoffmann as Sheila

Adam LeFevre as Sheriff Darryl

Amy Ryan as Mrs. Prescott

Michael Countryman as Mr. Prescott

Kenneth Lonergan as Ron

Halley Feiffer as Amy

Whitney Vance as Young Sammy

Peter Kerwin as Young Terry

Betsy Aidem as Minister

Lisa Altomare as Waitress

Nina Garbiras as Nancy

Richard Hummer as Plumber

Kim Parker as Rudy Sr.'s Girlfriend

Allan Gill as Older Cop

Brian Ramage as Young Cop