You can use Google Home and the Google Assistant to control connected Chromecast devices and select TVs with Chromecast built in.
TVs with Chromecast built in require Cast version 1.21 or higher.
Not all TVs with Chromecast built in are compatible with Google Home voice control.
To set up your devices:
First, link your devices using the Google Home app. Then link Netflix to your Google account:
Open the Google Home app.
Select Menu .
Under Google Assistant, select More settings.
Select the Services tab.
Select Videos and Photos.
Find Netflix and tap the Link icon to link your Google account to your Netflix app.
You can now control Netflix on your Google Home-connected devices using Google Assistant voice controls.