I have a new Sony TV with Chromecast built it. I am signed into my account and same wireless network I use at home. I can use Chromecast fine from Chrome and from my phone Netflix app. But when I am on my laptop and browsing Netflix (which is my preferred method), and try to Chromecast: I do not have an option of casting to the TV. I can cast the Chrome tab I am on but that's not the same as natively casting Netflix.

I have tried tech support with Netflix, Sony and Google. They each say to call the other and none of them had any ideas whatsoever and frankly didn't really seem to understand the issue.

Any ideas on why I can't seem to cast from Netflix?