Will Ferrell

Reggie (voice)

Jamie Foxx

Bug (voice)

Isla Fisher

Maggie (voice)

Randall Park

Hunter (voice)

Will Forte

Doug

Brett Gelman

Willy

Rob Riggle

Rolf (voice)

Josh Gad

Gus (voice)

Sofía Vergara

Dolores the Couch (voice)

Jamie Demetriou

Chester (voice)

Greta Lee

Bella (voice)

Jimmy Tatro

Finn the Rottweiler (voice)

Harvey Guillén

Shitstain (voice)

Jack De Sanz

Munchkin (voice)

Phil Morris

Bubsy (voice)

David Herman

Underbite Pound Dog (voice)

Jaquita Ta'le

Afghan Hound (voice)

Charity Cervantes

Jenna

Jade Fernandez

Doug's Girlfriend

Mikayla Rousseau

Riley

Mike Dolphy

Riley's Dad

Aven Lotz

Emma

Hannah Alline

Emma’s Mom

Garrett Hines

Emma’s Dad

Dan Perrault

Dr. Hagen

Dennis Quaid

Birdwatcher

Keith Brooks

Steve

Hedy Nasser

Carly

Dexter Masland

James

Gabriella Garcia

Teen Girl

Andrew Nicolas Starr

Teenage Boy

Andrea Laing

Jenna's Friend

Alexandra Ficken

Jenna's Friend

Ryan Dinning

Mailman

Stephanie Dunnam

Woman Gardening

Deadra Moore

Old Woman in Park

Alonzo Ward

Old Man in Park

AJ Bernard

Liam

Tinashe Kajese

Cathy (uncredited)