 To gauge how an actor 's voice would fit with a character , Lasseter borrowed a common Disney technique : animate a vocal monologue from a well @-@ established actor to meld the actor 's voice with the appearance or actions of the animated character . This early test footage , using Hanks ' voice from Turner & Hooch , convinced Hanks to sign on to the film . Toy Story was both Hanks ' and Allen 's first animated film role . 
