- Adam Sandler as Sam Brenner
- Kevin James as Will Cooper
- Michelle Monaghan as Violet Van Patten
- Peter Dinklage as Eddie Plant
- Josh Gad as Ludlow Lamonsoff
- Brian Cox as President Will Cooper
- Jane Krakowski as First Lady Jane Cooper
- Sean Bean as Corporal Hill
- Ashley Benson as Lady Lisa
- Matt Lintz as Matty Van Patten
- Lainie Kazan as Mickey Lamonsoff
- Dan Aykroyd as The Mayor of New York
- Denis Akiyama as Toru Iwatani
- Steve Jobs (archival footage)
- Bill Murray (archival footage)