If you are having a laptop/PC and want to cast your video using VLC to chromecast. Follow the below steps:

1. Open VLC.
2. Click on Playback menu.
3. Then, click on Renderer.
4. If you are connected to same network as your chromecast, you will see your device being listed in the Renderer.
5. There select your device and cast any file on your PC to chromecast.