Keira Knightley
Megan Burch
Chloë Grace Moretz
Annika Hunter
Sam Rockwell
Craig Hunter
Kaitlyn Dever
Misty
Ellie Kemper
Allison
Mark Webber
Anthony
Jeff Garlin
Ed Burch
Daniel Zovatto
Junior
Dylan Arnold
Patrick
Gretchen Mol
Bethany
Sara Coates
Savannah
Jodi Thelen
Linda Burch
Kirsten deLohr Helland
Danielle
Eric Riedmann
Matt
Louis Hobson
Theo
Amy Thone
Mrs. Halpsky
Rocki DuCharme
Teen Savannah
Sara Lynne Wright
Teen Allison
Larissa Schmitz
Teen Megan
Phillip Abraham
Teen Anthony
Maura Lindsay
Teen Danielle
Basil Harris
Wedding DJ
Zoe McLane
Sophomore Girl
Jasmin Savoy Brown
Music Kid
Joey Ally
Espresso Server
Bhama Roget
Airport Gate Agent
Omar Silva
Bartender
Rachelle Henry
Junior Bridesmaid #1
Kyle Love
Dan (uncredited)