The 42-year-old was hospitalised in December when a wave knocked him over and dragged him across a reef on location in California.
"Many times I've found myself in positions I shouldn't be in. I was underwater for a long time and I remember thinking, 'This is crazy'," he recalled to The Mirror.
"I don't mind taking bumps and bruises but then you think, 'Hang on a minute, this is my life!' I should be a little more careful when I'm choosing my roles... I'd still like to be around in a few years!"
Butler previously insisted that reports of his accident "were not exaggerated", describing it as a genuinely "close call".
Of Men and Mavericks opens in US cinemas on October 26, 2012.