Chris Hemsworth, is that you?

The 32-year-old actor shared a new photo with his Instagram followers on Sunday, boasting a VERY noticeable weight loss transition and never-before-seen facial hair. It appears Chris is still in character as Owen Chase in upcoming flick In the Heart of the Sea.

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"Just tried a new diet/training program called "Lost At Sea". Wouldn't recommend it.. #IntheHeartoftheSea," Chris captioned the image.

This is definitely a far cry from his Thor looking figure!

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“When you’re already starting off lean, its brutal to chew through that kind of weight. Every pound feels like a kilogram," he previously told Entertainment Weekly.

In the Heart of the Sea hits theaters December 11.