Marni
Gail
Ramona
Joanna (as Odette Yustman)
Mark
Grandma Bunny
Will (as Jimmy Wolk)
Georgia
Charlie
Tim
Ben (as Billy Unger)
Taylor
Kendall
Richie
LouAnne (as Anna White)
Marcia
Gail (as Gelsey Mahanes)
Jennifer
Lori
Lucian
Mason Dunlevy
Chaplain
Tammy
Heather
Murata
Sunday
Strauss
Daryl Hall
John Oates
The Band
Moe
Eric (as LJ Benet)
Mary Ann
Iscovich
Sean (as Coby McLaughlin)
Teenage Gail
Teenage Ramona (as Anne Winfree)
Daisy
Dana (as Stacy Keanan)
Coco Puff
Airplane Passenger (uncredited)
Student (uncredited)
Air Marshal (uncredited)
Helen (uncredited)
Waiter (uncredited)
School Dance Girl (uncredited)
Wedding Guest (uncredited)
Guest's Date (uncredited)
Waltz Dancer (uncredited)
Marni's Intern (uncredited)
Teacher (uncredited)
Bride's Girlfriend (uncredited)
Miss Whitehat (uncredited)