Hilary Swank as Kate

Emmy Rossum as Bec

Josh Duhamel as Evan

Stephanie Beatriz as Jill

Jason Ritter as Wil

Julian McMahon as Liam

Ali Larter as Keely

Andrea Savage as Alyssa

Gerald Downey as Bill

Mike Doyle as Tom

Loretta Devine as Marilyn

Ernie Hudson as John

Erin Chenoweth as Cynthia

Gareth Williams as Bruce

Marcia Gay Harden as Elizabeth

Frances Fisher as Gwen

Ed Begley Jr. as Uncle Roger

Danielle Kennedy as Aunt Eleanor

Geoff Pierson as Kate's Father

Beau Knapp as Jackson

Jordan Morris as Bored Manager

Lyn Mahler as Convalescent Nurse

Ivory Tiffin as Jen

Ossie Mair as Professor

David Grant Wright as Doctor

Chris Lee Yuchun as Swim Teacher

Kimberly Nichole as Dirty Barry's Singer #1

Sahra Mellesse as Olivia

Katharine Lee McEwan as Sarina

Melinda Lee as Party Guest #1

Carol Mack as Party Guest #2