Most modern media players (like VLC or GOM Player) allow you to change the audio stream by right-clicking the video during playback, navigating to the Audio menu, and selecting your preferred language stream.
If you are looking to manage or find these movies, here are common resources: Creation & Editing MKVToolNix Mkv Movies Dual Audio Hollywood
I can help curate a list of must-watch titles or provide recommendations on how to set up your own media server. Most modern media players (like VLC or GOM
It can store several subtitle languages (e.g., English SRT, Spanish PGS) that you can turn on or off. navigating to the Audio menu