He once battled the onset of an ice age in his hit movie The Day After Tomorrow.
But Jake Gyllenhaal took on the challenge of a real Arctic glacier recently as he joined survival expert Bear Grylls to film an upcoming episode of his show Man vs Wild.
The 30-year-old Donnie Darko star stripped of and paraded around shirtless in the sub-zero temperatures as he joined the dare-devil TV presenter in wading across a frozen river.
The two men travelled to Iceland where the set out on an expedition, cameras in tow,to traverse a glacier and make their way to an active volcano in the middle of the island.
'The wild is always very revealing - not only physically but mentally,' Bear Grylls said of his travelling companion.
'You've got to smile when it's driving horizontal hail and be able to face your fears and just get on and do it - and on both of those accounts, Jake came up strong,' Bear said.
After wading through the icy water the men then stripped out of the soaking wet and freezing clothes and stood topless and the snow an hail fell around them.
Laughing in the face of adversity, Jake even threw his mouth open trying to catch the flakes in his mouth.
'Ultimate Survivor' Grylls is heard shouting tips to Gyllenhaal such as 'Pace yourself!' and 'Shake the blood back into your arms whenever you need to!' as the pair scale across a thin rope hung over a 150 feet deep river gorge.
The action-packed episode also included Grylls, 37, and Gyllenhaal lowering themselves into a hole where the carcass of a dead sheep was found.
Although the meat was deemed unfit, protein was had when Gyllenhaal consumed his first worm toward the end of the episode.
The show ill air this Sunday, July 17, on the Discovery Channel and later in the season, Will Ferrell and Ben Stiller will also appear.
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But Jake Gyllenhaal took on the challenge of a real Arctic glacier recently as he joined survival expert Bear Grylls to film an upcoming episode of his show Man vs Wild.
The 30-year-old Donnie Darko star stripped of and paraded around shirtless in the sub-zero temperatures as he joined the dare-devil TV presenter in wading across a frozen river.
The two men travelled to Iceland where the set out on an expedition, cameras in tow,to traverse a glacier and make their way to an active volcano in the middle of the island.
'The wild is always very revealing - not only physically but mentally,' Bear Grylls said of his travelling companion.
'You've got to smile when it's driving horizontal hail and be able to face your fears and just get on and do it - and on both of those accounts, Jake came up strong,' Bear said.
After wading through the icy water the men then stripped out of the soaking wet and freezing clothes and stood topless and the snow an hail fell around them.
Laughing in the face of adversity, Jake even threw his mouth open trying to catch the flakes in his mouth.
'Ultimate Survivor' Grylls is heard shouting tips to Gyllenhaal such as 'Pace yourself!' and 'Shake the blood back into your arms whenever you need to!' as the pair scale across a thin rope hung over a 150 feet deep river gorge.
The action-packed episode also included Grylls, 37, and Gyllenhaal lowering themselves into a hole where the carcass of a dead sheep was found.
Although the meat was deemed unfit, protein was had when Gyllenhaal consumed his first worm toward the end of the episode.
The show ill air this Sunday, July 17, on the Discovery Channel and later in the season, Will Ferrell and Ben Stiller will also appear.
