Brad Hunt

Zack

Harland Williams

Bleckman

Lauren Graham

Abbey

Pamela Adlon

Brenda

Sasha Alexander

Susie

Ever Carradine

Gretchen Longerhaad

Kelly Coffield Park

Kelly Woodward

Amanda Detmer

Hostess

John Doe

Mr. Baker

Michael Landes

Seth

Debra Jo Rupp

Mrs. Baker

Becky Wahlstrom

Toni

Kaley Cuoco

Zack's Sister

Griffin Frazen

Young Zack

Alex Kapp Horner

Woman Home Buyer

Taryn Manning

News Stand Girl

Leigh-Allyn Baker

Kelly Woodward at 19

Brande Roderick

Coolmint Girl

Michaela Gallo

Young Abbey

Spencer Davis

Young Seth

Jocelyne Kelly

Dawn Kramer

Eric Winzenried

Guy in Therapy

Tom Finnegan

Ice Cream Man

Eric Swelstad

Grocery Manager

Todd Hurst

Zack at 15

Jenna Fischer

Sorority Girl #1

Charity Hill

Sorority Girl #2

Josh Randall

Franz

Julie Fiedler

Vanessa

Jolie Curtsinger

Alison

Jessica Meyerson

Staci

Kristin Conrad

Waitress

Valerie Long

Nurse

Brian Gattas

Umberto

Mildred Dumas

Ventano's Woman #1

Jo Deodato Clark

Ventano's Woman #2

Lorna Scott

Ring Woman

Ali Elk

Gina Rivinni (uncredited)