Since this is a high-profile movie, several reliable databases host high-quality English subtitle files (.srt format):

Finding high-quality English subtitles is essential to fully appreciate the complex narrative of The Invisible Guest Contratiempo

It is widely considered one of the greatest "twist endings" in modern cinema history. How to Find "The Invisible Guest" English Subtitles

: One of the largest databases with multiple English versions tailored to different movie rips (e.g., BluRay, WEBRip).