I’m a bit of a nerd for voice talent, so I’m always interested to see and hear more about the names and faces behind making the animated characters we love come to life. One of the best things about Ratatouille is the film’s great voice cast, and this morning I stumbled on a great video from Disney in which Ratatouille director Brad Bird talks about finding the right people for the right rats. Apparently there’s more to casting a good Pixar movie than just hiring John Ratzenberger.

Ratatouille finally opens tomorrow, so if you’re interested in finding out where some of the voices from before you see it, click play on the embed below. The handy little Disney player they’ve made available also includes tons of other behind the scenes clips about the film, so once you watch the voice talent clip, click on “video playlist” and select another one: