Alexander's day begins with gum stuck in his hair, followed by more calamities. Though he finds little sympathy from his family and begins to wonder if bad things only happen to him, his mom, dad, brother, and sister all find themselves living through their own terrible, horrible, no good, very bad day.
Steve Carell
as Ben Cooper
Jennifer Garner
as Kelly Cooper
Ed Oxenbould
as Alexander Cooper
Dylan Minnette
as Anthony Cooper
Kerris Dorsey
as Emily Cooper
Elise Vargas
as Baby Trevor
Zoey Vargas
as Baby Trevor
Sidney Fullmer
as Becky Gibson
Bella Thorne
as Celia
Megan Mullally
as Nina
Mekai Curtis
as Paul Dumphy
Lincoln Melcher
as Philip Parker
