The image is a recreation of a photo Williams snapped in 1948, down to the iconic hat, thin smile and sharp jaw
Fans took to Twitter immediately to show how closely Hiddleston resembles the beloved musician.
I Saw the Light
follows the traditional musician bio-pic formula
, detailing Williams’ rise to fame while battling his inner demons and dangerous addictions which led to his death from heart failure at age 29.
The film, titled after Williams' 1948 song of the same name, is based on the 1994 novel Hank Williams: The Biography by Colin Escott. Flash of Genius director Marc Abraham is helming the project.
Elizabeth Olsen stars opposite Hiddleston as the singer's wife Audrey Mae Williams, while Bradley Whitford and David Kumholtz co-star.
I Saw the Light opens in limited release Nov. 27.