Disney has the best casting. If he doesn’t like an actor he just tears him up.

Hitchcock’s quip plays on the contrast between live-action filmmaking—where directors must work with the limitations, egos, and fixed physicality of human performers—and animation, where characters can be redrawn, redesigned, or discarded entirely. By joking that Disney can simply “tear up” an actor he dislikes, Hitchcock highlights the animator’s absolute control over casting and performance: the “actor” is literally paper (or cels) and can be revised at will. The line also reflects Hitchcock’s own reputation for meticulous control and his sometimes sardonic view of actors as components in a carefully engineered visual plan.