Will Ferrell

Brad

Mark Wahlberg

Dusty

Mel Gibson

Kurt

John Lithgow

Don

Linda Cardellini

Sara

Alessandra Ambrosio

Karen

Owen Vaccaro

Dylan

Scarlett Estevez

Megan

Didi Costine

Adrianna

John Cena

Roger

Andrea Anders

Principal Hayes

Daniel DiMaggio

Young Dusty

Matthew Delamater

Gun Salesman

Bill Mootos

Bill

Jose Guns Alves

Security Guard

Naheem Garcia

Santa

Molly Schreiber

Improv Actor

J.D. Donaruma

Trooper

Oscar Wahlberg

Roberto C. Fishman Pratt

Chesley Sullenberger

Brad's Stepdad

Allen Zwolle

Lonely Guy at Theatre

Kyana Fanene

Singer

Bill Burr

Jerry (uncredited)

Liam Neeson

Liam Neeson (voice) (uncredited)

John Franchi

Pedestrian (uncredited)

Colton Osorio

Little Boy (uncredited)

Susan Garfield

Lisa - Box Office Employee (uncredited)