Bob Balaban as Dr. Theodore W. Millbank, III

Jennifer Coolidge as Sherri Ann Cabot

Christopher Guest as Harlan Pepper

John Michael Higgins as Scott Donlan

Michael Hitchcock as Hamilton Swan

Eugene Levy as Gerry Fleck

Jane Lynch as Christy Cummings

Michael McKean as Stefan Vanderhoof

Catherine O'Hara as Cookie Fleck

Parker Posey as Meg Swan

Fred Willard as Buck Laughlin

Ed Begley Jr. as Hotel Manager

Patrick Cranshaw as Leslie Ward Cabot

Linda Kash as Fay Berman

Don Lake as Graham Chissolm

Larry Miller as Max Berman

Jim Piddock as Trevor Beckwith

Jay Brazeau as Chuck Nelken

Lewis Arquette as Fern City Show Spectator

Dany Canino as Fern City Show Judge

Will Sasso as Fishin' Hole Guy

Stephen E. Miller as Fishin' Hole Guy

Colin Cunningham as New York Butcher

Jehshua Barnes as Scott's Wild Date

Scott Williamson as Winky's Party Guest

Deborah Theaker as Winky's Party Guest

Rachael Harris as Winky's Party Guest

Fulvio Cecere as Airport Passerby

Cody Greg as Zach Berman

Teryl Rothery as Philly AM Host

Tony Alcantar as Philly AM Chef

Camille Sullivan as Philly AM Assistant

Dave Cameron as Philly AM Host

Lynda Boyd as Cabot Party Guest

Madeleine Kipling as Cabot Party Guest

Merrilyn Gann as Cabot Party Guest

Andrew Johnston as Cabot Party Guest

Malcolm Stewart as Malcolm

Jay-Lyn Green as Leslie's Nurse

Earlene Luke as Mayflower Hound Judge

Carmen Aguirre as Taft Hotel Maid

Harold Pybus as Mayflower Toy Judge

Hiro Kanagawa as Pet Shop Owner

Cleo A. Laxton as Mayflower Terrier Judge

Corrine Koslo as Mayflower Sporting Judge

Andrew Wheeler as Mayflower Ring Steward

Don Emslie as Mayflower Non-Sporting Judge

Don S. Davis as Mayflower Best in Show Judge

Steven M. Porter as Bulge

Melanie Angel as 'American Bitch' Photo Editor

Doane Gregory as Terry the Photographer

Carrie Aizley as Fern City Show Spectator