Justin Timberlake
Dylan Harper
Woody Harrelson
Tommy Bollinger
Richard Jenkins
Mr. Harper
Nolan Gould
Sammy - Sam the Magnificent
Catherine Reitman
Female Co-Worker
Courtney Henggeler
Flight Attendant
Masi Oka
Darin Arturo Morena
Christopher T. Wood
Ira Ungerleider
Rupak Ginn
Male Co-Worker (L.A.)
Duane R. Shepard Sr.
Older Man
Angelique Cabral
Pam Niborski
Lance Kerfuffle
Security Guard
Jason Sung Lee
Dylan's Friend
Michael Morris
Carriage Driver
Alexandra Gluck
Unaccompanied Minor #1
Taryn Gluck
Unaccompanied Minor #2
Kandé Amadou
Dancer (Flashmob) (uncredited)
Christopher Baskerville
Airport Traveler (uncredited)
Barry Bradford
Basketball Player (uncredited)
Jennifer Brito
FlashMob (uncredited)
William Patrick Brown
Passenger (uncredited)
Jorga Caye
Tour Guide (uncredited)
Tammy Dugen
DeeDee (uncredited)
Teresa Hui
Dancer (uncredited)
Rashida Jones
Maddison (uncredited)
Paul Marra
Tommy's Package Guy (uncredited)
Andrea-Rachel Parker
Flashmob Dancer (uncredited)
Evelina Pereira
Belgian Girl (uncredited)
Alex Phillip
Classmate / Reception Guest (uncredited)
Shane Schoeppner
Airport Diner (uncredited)
Jason Segel
Brice (uncredited)
Uzimann
Hallal Food Vendor (uncredited)
Barbara Vincent
Flash Mob (Grand Central) (uncredited)
James Wallington
Photographer's Assistant (uncredited)
Ryan Dodson
Airport Passenger (uncredited)