"An affable underachiever finds out he's fathered 533 children through anonymous donations to a fertility clinic 20 years ago. Now he must decide whether or not to come forward when 142 of them file a lawsuit to reveal his identity."
Vince Vaughn
as David
Cobie Smulders
as Emma
Chris Pratt
as Brett
Britt Robertson
as Kristen
Jack Reynor
as Josh
Bobby Moynihan
as Aleksy
Andrzej Blumenfeld
as Mikolaj
Simon Delaney
as Victor
Dave Patten
as Adam
Adam Chanler-Berat
as Viggo
Amos VanderPoel
as Taylor
Matthew Daddario
as Channing
Jessica Williams
as African American Spa Worker
Leslie Ann Glossner
as Young Romantic Girl
Derrick Arthur
as Young Boozer
Michael Oberholtzer
as Bag Boy
Sébastien René
as Ryan
Kevin Hopkins
as Andrew Johansson
Stephen Ellis
as 18th Century Professor
Zachary Hernandez
as Brett's Four Year-Old
Erin Gerasimovich
as Brett's Six Year-Old
Kyle Sutton
as Brett's Eight Year-Old
Lynda Gravatt
as Judge Logan
Starla Benford
as Personal Care Assistant
Damian Young
as Attorney Williams
Finnerty Steeves
as Loan Officer #1
Don Guillory
as Loan Officer #2
Richard Poe
as Loan Officer #3
Jessica Abo
as Reporter #1
Logan Crawford
as Reporter #2
Alice Gainer
as Reporter #3
Darin Guerrasio
as Customer #1
Jonah Nathan
as Employee
Bruce Altman
as Mass Action Attorney
Alexander Flores
as Teenage Clerk
Matthew J. Walters
as Stroller Salesman
Stephanie Berry
as Straightforward Nurse
Joseph Tudisco
as Sports Store Owner
Akim Black
as Scalper
Kate Dalton
as Sabrina
Gabe Doran
as Patrolman
Glenn Fleshler
as Coffee Shop Owner
Matthew Sean Blumm
as Male Nurse
Mark Zimmerman
as Hospital Doctor
Angela Bellotte
as Girl with Short Skirt
Charlie Romanelli
as Hardhat
Pasha Pellosie
as Boyfriend #1
Connor Fox
as Boyfriend #2
Isaac H.W. Joseph
as Boyfriend #3
Jay Leno
as Himself
Bill Maher
Nancy Nagrant
as Victor's Wife
Jamie Lynn Weisman
as Aleksy's Wife
Pantea Karimi
as Ultrasound Technician
Chris Hernandez
as Biological Son
Dave Thompson
as Nick (uncredited)
Dana Sano
Music Supervisor
Melissa Toth
Costume Designer
Jonathan Karp
Martin Petit
Original Story
Jeanne McCarthy
Casting
Priscilla Nedd-Friendly
Editor
André Rouleau
Producer
Jon Brion
Original Music Composer
Ray Angelic
Executive Producer
Eric Alan Edwards
Director of Photography
Mark Sourian
Ida Random
Production Design
Scott Mednick
Sara Parks
Set Decoration
Mark Newell
Art Direction
Ken Scott
Screenplay
Director
James Baker
Boom Operator
Joseph Mortelliti
Special Effects Assistant
Stephanie Wise
Assistant Makeup Artist
Jill E. Anderson
Costumer
Morgan Newell
Assistant Production Coordinator
Ben Philipp
Costume Assistant
Patrick S. O'Donoghue
Cynthia O'Rourke
Makeup Artist
Jane Nerlinger Evans
Executive In Charge Of Production
Mei Lai Hippisley Coxe
Key Costumer
Shellie Biviens
Key Hair Stylist
Emily Ansel
Danielle Conquy
Production Assistant
Caroline Quiroga
Assistant Costume Designer
Lawrence Tarzy
Daniel D'Amico
Production Secretary
Allyson Weeks
Jim Turner
Production Controller
Kevin P. Faherty
Set Costumer
Sarah Moore
Tailor
Maya Hardinge
Key Makeup Artist
Susan J. Wright
Costume Supervisor
Tony Dixon-Lyon
Hairstylist
Shelly Strong
Production Executive
Steve Guilbaud
Production Accountant
Holly Pilch
Production Coordinator
Patrick McDonald
Second Second Assistant Director
Mark Schmidt
Kyra Panchenko
Makeup Department Head
Arielle Toelke
Kerrie Smith
Hair Department Head
Tanisha Jones
Second Assistant Accountant
Gayle Vangrofsky
Location Manager
Abby Coon
Jordan M. Bowes
Location Assistant
Maria DeVane
Post Production Accountant
Jamie Horwitz
First Assistant Accountant
Daniel Bethea
David Farr
Payroll Accountant
Leslie Woo
Casting Associate
Justin Kron
Assistant Location Manager
Oliver Brooks
Melissa Braun
Extras Casting
Liz Olanoff
Extras Casting Assistant
Craig Horan
Set Dresser
Mathew Noack
Howard Samuelsohn
Dialect Coach
Reginald Polynice
Graphic Designer
Wendy Brown
Catriona Crosby
Patrick Campbell
Storyboard Artist
Avery Sorrels
Art Department Assistant
Brian Buteau
Grant Wilfley
Amy Cohn
Unit Publicist
David Scott Gagnon
Ana Laura Pulido
Location Coordinator
Tom Conway
Leadman
Jeffrey Rollins
Roxy Toporowych
Kelly Solomon
Art Department Coordinator
Rori Bergman
Locale Casting Director
Steve Koster
Aerial Director of Photography
Charlie Price
Key Construction Grip
Chuck Bennis
Transportation Co-Captain
Jose Amor
Carpenter
Music Editor
John J. Ciccimarro
Key Carpenter
Daniel Beaman
Construction Grip
Jim Buckman
Transportation Captain
Michael Kall
Construction Foreman
Christopher Rovira
Pierre Rovira
Construction Coordinator
Judah Getz
ADR Mixer
Kyle Rochlin
Foley Mixer
Matthew Pangione
Mario Herrera
Charge Scenic Artist
Roxanne LaPenta
Actor's Assistant
Mark Graziano
Executive In Charge Of Post Production
Gregg London
First Assistant Editor
Erin Rodman
Producer's Assistant
Maria Ryan
Christopher Assells
Sound Effects Editor
Craig Dewey
Assistant Editor
Robert Bella
Post Production Supervisor
P.K. Hooker
John C. Stuver
Dialogue Editor
Anita Cannella
Foley Artist
Philip D. Morrill
First Assistant Sound Editor
Craig S. Jaeger
Foley Editor
Anna MacKenzie
ADR Editor
Scott A. Jennings
Chris Jargo
Supervising ADR Editor
Gunnar McGrew
Post Production Coordinator
Amy Kane
Dennis Drummond
Supervising Sound Editor
Ann Ducommun
Eran Dinur
VFX Supervisor
Laura Harris Atkinson
Jonathan Klein
Eli Jarra
Visual Effects Editor
Will Welles
Editorial Production Assistant
Christina M. Walker
Post Production Assistant
Kim Drummond
Joe Bucaro III
Stunt Coordinator
Scott Millan
Sound Re-Recording Mixer
Greg P. Russell
Jared Burke
Stunts
Per Hallberg
Mike Burke
Nicholas Decegli
Harry Corrigan
Leigha Hancock
Chad Hessler
Holly Rymon
Unit Production Manager
Brian Smyj
Mick O'Rourke
Dee Morris
Donald J. Hewitt Jr.
Curtis Lyons
John P. 'Jack' McLaughlin
Joseph Urban
Rebecca Breckel
Script Supervisor
Frankie DeMarco
Second Unit Director of Photography
Gary Martone
Key Grip
Holly Bario
Co-Producer
Paul Kaye
Electrician
Sarah E. McMillan
Assistant Set Decoration
Dan Wesson
Stephen Raphael Frank
Christopher Weck
Vince Reed Camuto
Daniel Salk
Video Assist Operator
Tom Nelson
Production Sound Mixer
Allison Howe
Utility Sound
Steadicam Operator
Dave Rudolph
Dana Wisher
Best Boy Grip
Maxime Vanasse
Associate Producer
Jeannette Kim
Assistant Art Director
"A" Camera Operator
Jessica Miglio
Still Photographer
John Coots
Rigging Gaffer
John Pollard
Craig Pressgrove
First Assistant "A" Camera
Charles Carter Bissell
Gary Hildebrand
Shop Electric
Doug Torres
First Assistant Director
Pedro Corcega
Second Assistant "A" Camera
Lou Gisone
Daniel Wallenstein
Dolly Grip
Justin Ritson
Second Assistant Director
Samuel G. Friedman
Best Boy Electric
Courtney Bridgers
Camera Loader
Ken Shibata
Gaffer
Ron Morales
Grip
Jeffrey Ruis
Ethan Rosenduft
Chris Quilles
Pedro Hernández
Key Rigging Grip
Keith Gordon
George Elias
Rigging Grip
Kyle Salvatore
Assistant Property Master
Michael Jortner
Property Master
Drew Jiritano
Special Effects Coordinator
Drew Jiritano Jr.
Michael Hatzer
Digital Colorist