How to Start a Direct Cast with Your Browser The benefit of this method is that it is extremely low overhead and doesn't rely on the initiating device to do any heavy lifting after the request is sent. The movie doesn't stream to your phone and then to the TV, the movie streams from the source (in this case Netflix's servers) direct to the Chromecast device. For example, when you use your phone to pick out a movie on Netflix and then sling it over to your TV by tapping the cast button in the Netflix app, your phone sends the message to your Chromecast or Chromecast-enabled TV and then removes itself from the equation.
