The Umbrella Entertainment Blu-ray release (Region-Free) provides:
This German film is originally in German. While it is popular globally, an official English-dubbed audio track is for separate download. Who Am I Movie English Audio Track Download
This film was produced with English as one of its primary languages for international release. Official Digital Copies: You can purchase or rent the English version through Apple iTunes YouTube (Paid) Microsoft Store Complete Movie: Who Am I Movie English Audio Track Download
VLC is the easiest tool for playing an external audio track over a video file in real-time. Open . Who Am I Movie English Audio Track Download
These discs include the original English uncompressed audio track, alongside optional Cantonese tracks and English subtitles. How to Get the 2014 German Cyber-Thriller in English