Does casting videos uploaded to my iPad to Chromecast on my TV uses internet data?

I bought Infuse Pro 4 from app store and I noticed it can stream videos to Chromecast. I uploaded some videos into the app and tried streaming them. My question is – if I stream videos that uploaded to the app onto the Chromecast that connected to my TV – does it use internet data?

As long as you’re streaming over your local Wi-Fi network, then you will not use any internet data. This is how 99.9% of our users stream via Google Cast.