Literally, Right Before Aaron

Justin Long

as

Adam

Cobie Smulders

as

Allison

Ryan Hansen

as

Aaron

John Cho

as

Mark

Kristen Schaal

as

Talula

Peter Gallagher

as

Orson Schwartz...

Dana Delany

as

Wendy (Allison...

Rick Overton

as

Dean (Allison'...

Lea Thompson

as

Deb (Adam's Mo...

Brady Rubin

as

Grandma Rose

Luis Guzmán

as

Federico

Ginger Gonzaga

as

Helen

Charlyne Yi

as

Claire

Briga Heelan

as

Julie

Parvesh Cheena

as

Rohan

Malcolm Barrett

as

Greg

Dov Tiefenbach

as

David

Charlotte McKi...

as

Charlotte

Manu Intiraymi

as

Lee

Barbara Browne

as

Susan

André Tardieu

as

Jean-Pierre

Talia Toms

as

Leandra (Bride...

Adam Rose

as

Alan (Co-Worke...

Sam Hennings

as

Priest (Father...

Ser'Darius Bla...

as

Wedding DJ

Emerson Min

as

Emerson

Ivy George

as

Ivy (Flower Gi...

Babar Peerzada

as

Chaplin (Lead ...

Gabriel Berber

as

Busboy 1

Victor Douglas

as

Busboy 2

Ricardo Martín

as

Wedding Photog...

James Krisel

as

Guy at Party

Vella Lovell

as

Jen (uncredite...

Andrea LeBlanc

as

Lindsay (uncre...

Patrick Raffer...

as

Elevator Touri...

Mike Guerra

as

Engaged Couple...

Ashley Platz

as

Engaged Couple...