We're used to seeing animals on the big screen in films like Harry Potter and new flick Cats & Dogs: The Revenge of Kitty Galore.
But have you ever wondered how the animals make it in the world of showbiz?
Well, they have special trainers who help get them ready for the cameras.
We sent Leah to meet some furry movie stars to find out more. She even got to have a go at being the trainer!