Jack Whitehall

Rex (voice)

Ray Winstone

Tyson (voice)

Sheridan Smith

Wanda (voice)

Matt Lucas

Charlie (voice)

Tom Courtenay

The Duke of Edinburgh (voice)

Julie Walters

The Queen (voice)

Jon Culshaw

Trump / Bernard St Bernard (voice)

Debra Stephenson

Melania / Lady Margaret (voice)

Sarah Hadland

Mitzi / Vet (voice)

Colin McFarlane

Chief / Nelson (voice)

Nina Wadia

Patmore / Mrs Kapoor (voice)

Iain McKee

Jack (voice)

Kulvinder Ghir

Sanjay / Guards / Other Dogs (voice)

Rasmus Hardiker

Ginger / Boxer / Chihuahua / Young Rex (voice)

Steven Kynman

Polux / Al Sation (voice)

Twinkle Jaiswal

Little Girl (voice)

Leo Barakat

Rex (voice)

Jo Wyatt

Wanda (voice)

Rusty Shackleford

Jack (voice)

Jane Alan

Queen (voice)

Dino Andrade

Charlie / Polux / Walla Group (voice)

Joey Camen

Tyson / Chihuahua / Al / Sanjay (voice)

Kirk Thornton

Trump (voice)

Madison Brown

Mitzi (voice)

Rick Zieff

Chief (voice)

Jamie Arlen Scott

Bernard / Castor (voice)

Millie Mup

Melania / Asian Mom (voice)

Lani Minella

Ginger / Walla Group (voice)

David A. Alano

Guard 1 (voice)

Daniel Wolfe

Guard 2 (voice)

Nicole Moorea Sherman

Little Girl (voice)

Jamal Fahim

Dodgey Dog (voice)

Russel Nash

Butch (voice)

Elizabeth Dean

Cecil (voice)

Anthony Skordi

Nelson (voice)

Rose Thurloe

Foreign Secretary (voice)

Lin Gallagher

Lady Margaret / Patmore (voice)

Camila Rhodes

Veterinary (voice)