Gretchen Mol Bethany
Chloë Grace Moretz Annika Hunter
Keira Knightley Megan Burch
Sam Rockwell Craig Hunter
Ellie Kemper Allison
Kaitlyn Dever Misty
Dylan Arnold Patrick
Jasmin Savoy Brown Music Kid
Jeff Garlin Ed Burch
Mark Webber Anthony
Daniel Zovatto Junior
Nat Sanders Editor
Steve Golin Producer
Laura Rosenthal Casting
Lisa Wilson Executive Producer
Benjamin Gibbard Original Music Composer
Kevin Scott Frakes Producer
Sara Coates Savannah
Alix Madigan Producer
Myles Nestel Producer
Michael Hill Music Supervisor
Jodi Thelen Linda Burch
Luce Cousineau Makeup Department Head
Eric Riedmann Matt
Zoe McLane Sophomore Girl
Kyle Love Dan (uncredited)
John Lavin Production Design
Louis Hobson Theo
Tania Kupczak Set Decoration
Raj Brinder Singh Producer
Lynn Shelton Director
Cheryl Cowan Script Supervisor
Schuyler Telleen Art Direction
Jennifer Popochock Hair Department Head
Benjamin Kasulke Director of Photography
Erik Simkins Still Photographer
Mel Eslyn Line Producer
Basil Harris Wedding DJ
Andrea Seigel Screenplay
Rachelle Henry Junior Bridesmaid #1
Joey Ally Espresso Server
Phillip Abraham Teen Anthony
Rosalie Swedlin Producer
Bhama Roget Airport Gate Agent
Liz Dean Casting
Omar Silva Bartender
Rocki DuCharme Teen Savannah
Sara Lynne Wright Teen Allison
Ronald Leamon Costume Design
Amy Thone Mrs. Halpsky
Sherril Johnson Stunt Coordinator
Larissa Schmitz Teen Megan
Barbara Kinney Still Photographer
Maura Lindsay Teen Danielle
Kirsten deLohr Helland Danielle