To cast Disney+ using Google Chromecast, follow these simple steps. First, ensure your Chromecast and device are connected to the same Wi-Fi network. Open the Disney+ app on your phone or tablet, and choose the content you want to watch. Tap the Cast icon located at the top-right of the screen. Select your Chromecast device from the list, and the video will stream on your TV. You can control playback from your mobile device. For more information, visit disneyplus.com/begin to get started with Disney+ and enhance your streaming experience.