Adam

Justin Long

Acting

Allison

Cobie Smulders

Acting

Aaron

Ryan Hansen

Acting

Mark

John Cho

Acting

Talula

Kristen Schaal

Acting

Orson Schwartzman

Peter Gallagher

Acting

Wendy (Allison's Mom)

Dana Delany

Acting

Dean (Allison's Dad)

Rick Overton

Acting

Deb (Adam's Mom)

Lea Thompson

Acting

Grandma Rose

Brady Rubin

Acting

Federico

Luis Guzmán

Acting

Helen

Ginger Gonzaga

Acting

Claire

Charlyne Yi

Acting

Julie

Briga Heelan

Acting

Rohan

Parvesh Cheena

Acting

Greg

Malcolm Barrett

Acting

David

Dov Tiefenbach

Acting

Charlotte

Charlotte McKinney

Acting

Lee

Manu Intiraymi

Acting

Susan

Barbara Browne

Acting

Jean-Pierre

André Tardieu

Acting

Leandra (Bridesmaid)

Talia Toms

Acting

Alan (Co-Worker)

Adam Rose

Acting

Priest (Father Jack)

Sam Hennings

Acting

Wedding DJ

Ser'Darius Blain

Acting

Emerson

Emerson Min

Acting

Ivy (Flower Girl)

Ivy George

Acting

Chaplin (Lead Busboy)

Babar Peerzada

Acting

Busboy 1

Gabriel Berber

Acting

Busboy 2

Victor Douglas

Acting

Wedding Photographer

Ricardo Martín

Acting

Guy at Party

James Krisel

Directing

Jen (uncredited)

Vella Lovell

Acting

Lindsay (uncredited)

Andrea LeBlanc

Acting

Elevator Tourist (uncredited)

Patrick Rafferty

Acting

Engaged Couple (uncredited)

Mike Guerra

Acting

Engaged Couple (uncredited)

Ashley Platz

Acting