The actor ate bugs and berries during an overnight stay in the Canadian woods in order to better understand his role as a stranded crash survivor in the film, reports the Daily Star.
"The sickness kind of knocked me down and weakened me, but I still decided to spend a night in the woods, eating insects in February in Canada," he explained.
"As unpleasant as that transition was, it helped me make the shift as quickly as possible."
Wrecked will be released in 2011. Q