Dog Man / Officer Knight / Harold's House (voice)

Peter Hastings

Petey the Cat (voice)

Pete Davidson

Butler (voice)

Poppy Liu

Chief (voice)

Lil Rel Howery

Sarah Hatoff (voice)

Isla Fisher

Seamus (voice)

Billy Boyd

Grampa (voice)

Stephen Root

Li'l Petey (voice)

Lucas Hopkins Calderon

Flippy (voice)

Ricky Gervais

Milly (voice)

Luenell

Scientist (voice)

Laraine Newman

Realtor (voice)

Melissa Villaseñor

Mayor (voice)

Cheri Oteri

Dippy (voice)

Kate Micucci

Nurse (voice)

Maggie Wheeler

Cheesesteak Guy (voice)

Pearce Bunting

Rocco (voice)

Max Koch

Doctor (voice)

Rahnuma Panthaky

Big Jim (voice)

Brian Hopkins

Mr. Whiskers (voice)

Yung Gravy

Surfer (voice)

Percy Rustomji

Grump (voice)

Kevin McCann

Robot (voice)

Karen Foster

Janet (voice)

Jana Schmieding

Living Spray Factory (voice)

John Eric Bentley

Radio Building (voice)

Sonny Onorati

Apartment Building (voice)

Warren Sroka

Gym (voice)

Kimberly Bailey

Ice Cream Building (voice)

Skip Stellrecht

Hospital (voice)

Georgia Simon

Indifferent Shop (voice)

Cam Clarke

3D Guy (voice)

Scott Menville

Harold (voice)

Kelly Stables