Chris Hemsworth is virtually unrecognisable as he reveals his incredible transformation for new film In The Heart Of The Sea after losing more than 7kg for sailor role

Chris Hemsworth transformed his body to a superhuman state to play the role of arrogant god Thor in a slew of successful films.

But the Australian actor is now sporting a much leaner physique as he takes on the part of a shipwrecked sailor in new drama, In The Heart Of The Sea.

The 32-year-old shared a snap of himself to Instagram and Twitter, likely taken during filming, showing the results of his more than 7kg weightloss. 

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Then and now: Chris Hemsworth is virtually unrecognisable as he revealed his incredible transformation for new film In The Heart Of The Sea on Instagram
Then and now: Chris Hemsworth is virtually unrecognisable as he revealed his incredible transformation for new film In The Heart Of The Sea on Instagram

Then and now: Chris Hemsworth is virtually unrecognisable as he revealed his incredible transformation for new film In The Heart Of The Sea on Instagram

'Just tried a new diet/training program called "Lost At Sea",' he captioned alongside the photo.

'Wouldn't recommend it.. #IntheHeartoftheSea,' he said.

In the picture, Chris's hair is longer than usual, and he has grown a full beard.

The father-of-three's face, chest and arms are covered in brown dirt, and his signature blue eyes are his only recognisable feature.  

Latest flick: The 32-year-old will play sailor Owen Chase in the Ron Howard-directed drama, which is based on a true story of sailors shipwrecked in the 19th century

Latest flick: The 32-year-old will play sailor Owen Chase in the Ron Howard-directed drama, which is based on a true story of sailors shipwrecked in the 19th century

Big change: The Australian actor lost more than 7kg to play the role of a sailor in the Ron Howard-directed drama
Big change: The Australian actor lost more than 7kg to play the role of a sailor in the Ron Howard-directed drama

Big change: The actor, who is best known for his role playing god Thor in a slew of successful films, lost more than 7kg to play his part in the new movie, and these days, sports a much-leaner frame

On Sunday, the former Home And Away star participated in a question and answer session with Twitter fans as part of a promotion for the new Ron Howard-directed film.

One Twitter user asked Chris what the most challenging part of filming the movie was.

'Losing the weight,' he replied. 'See the photo I tweeted earlier. I don't recommend it...'

Before Chris began his training and diet plan for the flick, he had already lost some weight for another role in Michael Mann’s thriller Black Hat.

Shooting struggles: In a Twitter question and answer session on Sunday, Chris told a fan the most challenging part of filming was losing the weight

Shooting struggles: In a Twitter question and answer session on Sunday, Chris told a fan the most challenging part of filming was losing the weight

Promotional tour: The father-of-three, who will next star as the lead character in The Hunstman Winter's War, appeared at a Sydney premiere of In The Heart Of The Sea, which hits theatres to the public in December

Promotional tour: The father-of-three, who will next star as the lead character in The Hunstman Winter's War, appeared at a Sydney premiere of In The Heart Of The Sea, which hits theatres to the public in December

'When I started, I was leaner than my Thor weight, anyway, because I’d been on Michael’s film,' he told Entertainment Weekly in August. 

'When you’re already starting off lean, it’s brutal to chew through that kind of weight. Every pound feels like a kilogram.' 

The publication reported that, to convincingly play the parts of starving men, the cast members' diets were steadily reduced in the lead up to filming in the Canary Islands. 

By the time they left London studios to shoot the on-location shipwrecked scenes, the actors were consuming only 500 calories a day. 

In The Heart Of The Sea is set to hit theatres in December.  

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