ट्रिविया

The third remake of Spain's El desconocido (2015) after Germany's Steig. Nicht. Aus! (2018) and South Korea's Balsinjehan (2021) but the first to use the original's English title.

When Matt dials Karl on his phone, the image of Karl is that of the film's editor, Steve Mirkovich.

2nd film collab with Liam Neeson and Embeth Davidtz after Schinder's List(1993).

Arian Moayed, in the film, plays a capitalist investor, a role very similar to the character portrayed in the series Succession.