Rex是女王的皇家首席狗狗，一只在白金汉宫过着奢靡生活、备受宠爱的小柯基犬。但一次意外让Rex流落伦敦街头，闯入流浪狗中心，混迹于粗鲁的流浪犬中，他必须学会做一只真正的王牌狗。
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)
