Rusty Shackleford as Jack (voice)

Jo Wyatt as Wanda (voice)

Mari Devon as Queen (voice)

Dino Andrade as Charlie / Pollux (voice)

Joey Camen as Chihuahua / Sanjay / Al Sation / Tyson (voice)

Leo Barakat as Rex (voice)

Nicole Moorea Sherman as Little Girl (voice)

Kirk Thornton as Trump (voice)

Madison Brown as Mitzi (voice)

Camila Rhodes as Vet

Rick Zieff as Chief (voice)

Dave B. Mitchell as Butch (voice)

Elizabeth Dean as Cecil (voice)

Jamal Fahim as Dodgey Dog (voice)

David A. Alano as Guard 1 (voice)

Daniel Wolfe as Guard 2 (voice)

Lani Minella as Ginger (voice)

Lin Gallagher as Patmore / Lady Margret (voice)

Paul Gregory as Duke (voice)

Millie Mup as Melania / Asian Mom (voice)

Anthony Skordi as Nelson (voice)

Rose Thurloe as Foreign Secretary (voice)

Jamie Scott as Castor / Bernard (voice)

Tom Courtenay as The Duke of Edinburgh (voice)

Jon Culshaw as Trump / Bernard St Bernard (voice)

Kulvinder Ghir as Sanjay / Guards / Other Dogs (voice)

Sarah Hadland as Mitzi / Vet (voice)

Timothy Christian Jansen as Benjamin (voice)

Matt Lucas as Charlie (voice)

Colin McFarlane as Chief / Nelson (voice)

Iain McKee as Jack (voice)

Nicole Moorea Sherman as Little Girl

Sheridan Smith as Wanda (voice)

Debra Stephenson as Melania / Lady Margaret (voice)

Nina Wadia as Patmore / Mrs Kapoor (voice)

Julie Walters as The Queen (voice)

Jack Whitehall as Rex (voice)

Ray Winstone as Tyson (voice)

Steven Kynman as Polux / Al Sation (voice)

Rasmus Hardiker as Boxer / Chihuahua / Young Rex (voice)