"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
Jeanne McCarthy
Casting
Martin Petit
Original Story
Jon Brion
Original Music Composer
André Rouleau
Producer
Priscilla Nedd-Friendly
Editor
Ida Random
Production Design
Mark Newell
Art Direction
Sara Parks
Set Decoration
Eric Alan Edwards
Director of Photography
Ray Angelic
Executive Producer
Scott Mednick
Mark Sourian
Ken Scott
Screenplay
Director
James Baker
Boom Operator
Kevin P. Faherty
Set Costumer
Kyra Panchenko
Makeup Department Head
Ben Philipp
Costume Assistant
Cynthia O'Rourke
Makeup Artist
Holly Pilch
Production Coordinator
Susan J. Wright
Costume Supervisor
Tony Dixon-Lyon
Hairstylist
Shelly Strong
Production Executive
Steve Guilbaud
Production Accountant
Jill E. Anderson
Costumer
Emily Ansel
Assistant Makeup Artist
Jane Nerlinger Evans
Executive In Charge Of Production
Mei Lai Hippisley Coxe
Key Costumer
Shellie Biviens
Key Hair Stylist
Danielle Conquy
Production Assistant
Joseph Mortelliti
Special Effects Assistant
Caroline Quiroga
Assistant Costume Designer
Arielle Toelke
Kerrie Smith
Hair Department Head
Morgan Newell
Assistant Production Coordinator
Jim Turner
Production Controller
Sarah Moore
Tailor
Patrick McDonald
Second Second Assistant Director
Maya Hardinge
Key Makeup Artist
Stephanie Wise
Mark Schmidt
Patrick S. O'Donoghue
Lawrence Tarzy
Daniel D'Amico
Production Secretary
Allyson Weeks
David Farr
Payroll Accountant
Grant Wilfley
Extras Casting
Ana Laura Pulido
Location Coordinator
Jamie Horwitz
First Assistant Accountant
Rori Bergman
Locale Casting Director
Oliver Brooks
Location Assistant
Abby Coon
Second Assistant Accountant
Justin Kron
Assistant Location Manager
Mathew Noack
Gayle Vangrofsky
Location Manager
Leslie Woo
Casting Associate
Jordan M. Bowes
Tanisha Jones
Tom Conway
Leadman
Maria DeVane
Post Production Accountant
Daniel Bethea
Patrick Campbell
Storyboard Artist
Jeffrey Rollins
Set Dresser
Amy Cohn
Unit Publicist
Kelly Solomon
Art Department Coordinator
Reginald Polynice
Graphic Designer
Avery Sorrels
Art Department Assistant
Howard Samuelsohn
Dialect Coach
Liz Olanoff
Extras Casting Assistant
Brian Buteau
Catriona Crosby
Melissa Braun
Craig Horan
David Scott Gagnon
Roxy Toporowych
Wendy Brown
Steve Koster
Aerial Director of Photography
Michael Kall
Construction Foreman
John J. Ciccimarro
Key Carpenter
Jose Amor
Carpenter
Matthew Pangione
Construction Grip
Christopher Rovira
Chuck Bennis
Transportation Co-Captain
Pierre Rovira
Construction Coordinator
Jim Buckman
Transportation Captain
Mario Herrera
Charge Scenic Artist
Judah Getz
ADR Mixer
Erin Rodman
Producer's Assistant
Music Editor
Charlie Price
Key Construction Grip
Kyle Rochlin
Foley Mixer
Daniel Beaman
Maria Ryan
Craig S. Jaeger
Foley Editor
Mark Graziano
Executive In Charge Of Post Production
Will Welles
Editorial Production Assistant
John C. Stuver
Dialogue Editor
Eran Dinur
VFX Supervisor
Christopher Assells
Sound Effects Editor
Christina M. Walker
Post Production Assistant
Laura Harris Atkinson
Craig Dewey
Assistant Editor
Anita Cannella
Foley Artist
Roxanne LaPenta
Actor's Assistant
Gregg London
First Assistant Editor
Anna MacKenzie
ADR Editor
Amy Kane
Scott A. Jennings
Philip D. Morrill
First Assistant Sound Editor
Robert Bella
Post Production Supervisor
Chris Jargo
Supervising ADR Editor
Dennis Drummond
Supervising Sound Editor
Ann Ducommun
Eli Jarra
Visual Effects Editor
Jonathan Klein
Gunnar McGrew
Post Production Coordinator
Kim Drummond
P.K. Hooker
Joe Bucaro III
Stunt Coordinator
Scott Millan
Sound Re-Recording Mixer
Greg P. Russell
Dee Morris
Stunts
Jared Burke
Harry Corrigan
Mike Burke
Per Hallberg
Nicholas Decegli
Unit Production Manager
Frankie DeMarco
Second Unit Director of Photography
Daniel Salk
Video Assist Operator
Mick O'Rourke
Rebecca Breckel
Script Supervisor
Vince Reed Camuto
Brian Smyj
"A" Camera Operator
Doug Torres
First Assistant Director
Holly Bario
Co-Producer
Pedro Corcega
Second Assistant "A" Camera
Donald J. Hewitt Jr.
Curtis Lyons
Joseph Urban
Leigha Hancock
Chad Hessler
John P. 'Jack' McLaughlin
Christopher Weck
Electrician
Justin Ritson
Second Assistant Director
Steadicam Operator
Jessica Miglio
Still Photographer
Lou Gisone
Dana Wisher
Best Boy Grip
Holly Rymon
Tom Nelson
Production Sound Mixer
Paul Kaye
Keith Gordon
Grip
George Elias
Rigging Grip
Sarah E. McMillan
Assistant Set Decoration
Pedro Hernández
Key Rigging Grip
Stephen Raphael Frank
Jeannette Kim
Assistant Art Director
Dave Rudolph
Ron Morales
John Pollard
Charles Carter Bissell
Maxime Vanasse
Associate Producer
Courtney Bridgers
Camera Loader
Daniel Wallenstein
Dolly Grip
Craig Pressgrove
First Assistant "A" Camera
Dan Wesson
Gary Martone
Key Grip
Samuel G. Friedman
Best Boy Electric
Gary Hildebrand
Shop Electric
Chris Quilles
Allison Howe
Utility Sound
Ken Shibata
Gaffer
John Coots
Rigging Gaffer
Ethan Rosenduft
Jeffrey Ruis
Michael Jortner
Property Master
Kyle Salvatore
Assistant Property Master
Drew Jiritano
Special Effects Coordinator
Drew Jiritano Jr.
Michael Hatzer
Digital Colorist