Peter Hastings

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

Pete Davidson

Petey the Cat (voice)

Lil Rel Howery

Chief (voice)

Isla Fisher

Sarah Hatoff (voice)

Lucas Hopkins Calderon

Li'l Petey (voice)

Ricky Gervais

Flippy (voice)

Poppy Liu

Butler (voice)

Stephen Root

Grampa (voice)

Billy Boyd

Seamus (voice)

Luenell

Milly (voice)

Laraine Newman

Scientist (voice)

Melissa Villaseñor

Realtor (voice)

Cheri Oteri

Mayor (voice)

Kate Micucci

Dippy (voice)

Maggie Wheeler

Nurse (voice)