Asked how long he would continue to act, the 47-year-old, on Australian chat show "60 Minutes", said "three years", adding his days as lead actor are "numbered".
The actor said he might move behind the camera when he steps out of the limelight, reports dailymail.co.uk.
"I've really enjoyed the producerial (sic) side and getting stories to the plate that may have had a harder time otherwise," said Pitt.
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