Will Ferrell

Character: Reggie (voice)

Jamie Foxx

Character: Bug (voice)

Isla Fisher

Character: Maggie (voice)

Randall Park

Character: Hunter (voice)

Will Forte

Character: Doug

Brett Gelman

Character: Willy

Rob Riggle

Character: Rolf (voice)

Josh Gad

Character: Gus (voice)

Sofía Vergara

Character: Dolores the Couch (voice)

Jamie Demetriou

Character: Chester (voice)

Greta Lee

Character: Bella (voice)

Jimmy Tatro

Character: Finn the Rottweiler (voice)

Harvey Guillén

Character: Shitstain (voice)

Jack De Sanz

Character: Munchkin (voice)

Phil Morris

Character: Bubsy (voice)

David Herman

Character: Underbite Pound Dog (voice)

Jaquita Ta'le

Character: Afghan Hound (voice)

Charity Cervantes

Character: Jenna

Jade Fernandez

Character: Doug's Girlfriend

Mikayla Rousseau

Character: Riley

Mike Dolphy

Character: Riley's Dad

Aven Lotz

Character: Emma

Hannah Alline

Character: Emma’s Mom

Garrett Hines

Character: Emma’s Dad

Dan Perrault

Character: Dr. Hagen

Dennis Quaid

Character: Birdwatcher

Keith Brooks

Character: Steve

Hedy Nasser

Character: Carly

Dexter Masland

Character: James

Gabriella Garcia

Character: Teen Girl

Andrew Nicolas Starr

Character: Teenage Boy

Andrea Laing

Character: Jenna's Friend

Alexandra Ficken

Character: Jenna's Friend

Ryan Dinning

Character: Mailman

Stephanie Dunnam

Character: Woman Gardening

Deadra Moore

Character: Old Woman in Park

Alonzo Ward

Character: Old Man in Park

AJ Bernard

Character: Liam

Tinashe Kajese

Character: Cathy (uncredited)