Justin Long
Adam
Acting
Cobie Smulders
Allison
Acting
Ryan Hansen
Aaron
Acting
John Cho
Mark
Acting
Kristen Schaal
Talula
Acting
Peter Gallagher
Orson Schwartzman
Acting
Dana Delany
Wendy (Allison's Mom)
Acting
Rick Overton
Dean (Allison's Dad)
Acting
Lea Thompson
Deb (Adam's Mom)
Acting
Brady Rubin
Grandma Rose
Acting
Luis Guzmán
Federico
Acting
Ginger Gonzaga
Helen
Acting
Charlyne Yi
Claire
Acting
Briga Heelan
Julie
Acting
Parvesh Cheena
Rohan
Acting
Malcolm Barrett
Greg
Acting
Dov Tiefenbach
David
Acting
Charlotte McKinney
Charlotte
Acting
Manu Intiraymi
Lee
Acting
Barbara Browne
Susan
Acting
André Tardieu
Jean-Pierre
Acting
Talia Toms
Leandra (Bridesmaid)
Acting
Adam Rose
Alan (Co-Worker)
Acting
Sam Hennings
Priest (Father Jack)
Acting
Ser'Darius Blain
Wedding DJ
Acting
Emerson Min
Emerson
Acting
Ivy George
Ivy (Flower Girl)
Acting
Babar Peerzada
Chaplin (Lead Busboy)
Acting
Gabriel Berber
Busboy 1
Acting
Victor Douglas
Busboy 2
Acting
Ricardo Martín
Wedding Photographer
Acting
James Krisel
Guy at Party
Directing
Vella Lovell
Jen (uncredited)
Acting
Andrea LeBlanc
Lindsay (uncredited)
Acting
Patrick Rafferty
Elevator Tourist (uncredited)
Acting
Mike Guerra
Engaged Couple (uncredited)
Acting
Ashley Platz
Engaged Couple (uncredited)
Acting