Darcy

Kate Hudson

Rachel

Ginnifer Goodwin

Dex

Colin Egglesfield

Ethan

John Krasinski

Claire

Ashley Williams

Marcus

Steve Howey

Dexter Thaler Sr.

Geoff Pierson

Bridget Thaler

Jill Eikenberry

Professor Zigman

Jonathan Epstein

Bridal Consultant

Leia Thompson

June

Sarah Baldwin

Salesgirl

Lindsay Ryan

Marcus' Dad

Mark La Mura

Pretty Brunette

Kirsten Day

Husband

Christopher Peuler

Cabbie #1

Herb Lieberz

Cabbie #2

Jimmy Palumbo

Fallen Angel

Mary O'Rourke

Club Girl

Marina Hirschfeld

Bartender

Tim Dunavant

NYU Law Student

Neil Poyner

Lead Singer

P.T. Walkley

NYU Law Student

Noel Davis Poyner

Band Member

Scott Hollingsworth

Band Member

Nicky Kulund

Band Member

Jared Schlemovitz

Young Darcy (uncredited)

Peyton List

Darcy's Mother (uncredited)

Sandy Dell

Darcy's Father (uncredited)

Brian McCormack

Rachel's Friend (uncredited)

Daniel Wolfe

Darcy's Friend (uncredited)

Devon Diep

Drunk Outside Bar

Gina Hernandez

Friend at Club (uncredited)

Hannah Templeton-Cox

London Pedestrian (uncredited)

Rosemary Howard

Hamptons Club Girl (uncredited)

Anne Bergstedt Jordanova

Skateboarder

Brandon Hunter

Bar Patron (uncredited)

Melissa Goodwin Shepherd

Woman on Bench (uncredited)

Emily Giffin

Rich Girl (uncredited)

ViDonna Michaels

Wheelchair Guy (uncredited)

Jeffrey Mowery

London Pedestrian (uncredited)

Tanzeel Kayani