Character Name : Adam

Original Name : Justin Long

Gender : Male

Character Name : Allison

Original Name : Cobie Smulders

Gender : Female

Character Name : Aaron

Original Name : Ryan Hansen

Gender : Male

Character Name : Mark

Original Name : John Cho

Gender : Male

Character Name : Talula

Original Name : Kristen Schaal

Gender : Female

Character Name : Orson Schwartzman

Original Name : Peter Gallagher

Gender : Male

Character Name : Wendy (Allison's Mom)

Original Name : Dana Delany

Gender : Female

Character Name : Dean (Allison's Dad)

Original Name : Rick Overton

Gender : Male

Character Name : Deb (Adam's Mom)

Original Name : Lea Thompson

Gender : Female

Character Name : Grandma Rose

Original Name : Brady Rubin

Gender : Female

Character Name : Federico

Original Name : Luis Guzmán

Gender : Male

Character Name : Helen

Original Name : Ginger Gonzaga

Gender : Female

Character Name : Claire

Original Name : Charlyne Yi

Gender : Male

Character Name : Julie

Original Name : Briga Heelan

Gender : Female

Character Name : Rohan

Original Name : Parvesh Cheena

Gender : Male

Character Name : Greg

Original Name : Malcolm Barrett

Gender : Male

Character Name : David

Original Name : Dov Tiefenbach

Gender : Male

Character Name : Charlotte

Original Name : Charlotte McKinney

Gender : Female

Character Name : Lee

Original Name : Manu Intiraymi

Gender : Male

Character Name : Susan

Original Name : Barbara Browne

Gender : Male

Character Name : Jean-Pierre

Original Name : André Tardieu

Gender : Male

Character Name : Leandra (Bridesmaid)

Original Name : Talia Toms

Gender : Female

Character Name : Alan (Co-Worker)

Original Name : Adam Rose

Gender : Male

Character Name : Priest (Father Jack)

Original Name : Sam Hennings

Gender : Male

Character Name : Wedding DJ

Original Name : Ser'Darius Blain

Gender : Male

Character Name : Emerson

Original Name : Emerson Min

Gender : Male

Character Name : Ivy (Flower Girl)

Original Name : Ivy George

Gender : Female

Character Name : Chaplin (Lead Busboy)

Original Name : Babar Peerzada

Gender : Male

Character Name : Busboy 1

Original Name : Gabriel Berber

Gender : Male

Character Name : Busboy 2

Original Name : Victor Douglas

Gender : Male

Character Name : Wedding Photographer

Original Name : Ricardo Martín

Gender : Male

Character Name : Guy at Party

Original Name : James Krisel

Gender : Male

Character Name : Jen (uncredited)

Original Name : Vella Lovell

Gender : Female

Character Name : Lindsay (uncredited)

Original Name : Andrea LeBlanc

Gender : Female

Character Name : Elevator Tourist (uncredited)

Original Name : Patrick Rafferty

Gender : Male

Character Name : Engaged Couple (uncredited)

Original Name : Mike Guerra

Gender : Male

Character Name : Engaged Couple (uncredited)

Original Name : Ashley Platz

Gender : Female