Chuck and Buck are childhood best friends whose lives have taken very different paths. While Chuck moved away and now has a real life, Buck stayed behind and developed a dangerous fixation—on Chuck's life.

Mike White
as Buck

Chris Weitz
as Chuck

Lupe Ontiveros
as Beverly

Beth Colt
as Carlyn

Paul Weitz
as Sam

Maya Rudolph
as Jamila

Mary Wigmore
as Diane

Paul Sand
as Barry

Gino Buccola
as Tommy

Annette Murphy
as Tommy's Mom