Casting is now limited to older TVs and streaming devices, with access also being limited to users with ad-free subscriptions ...
If you have a newer Chromecast device with a remote and on-screen UI, you can no longer beam Netflix content from your phone or tablet to the TV.
Netflix no longer supports casting shows from a mobile device to most TVs and streaming devices, regardless of the plan ...
Netflix has now stated in a support page that it will no longer support casting shows from a mobile device to most TVs.
Netflix can still Cast to compatible displays, but the in-app button isn’t working for everyone.