Mel Gibson Admits To Being A 'Manic Depressive' In 2002 Interview

LOS ANGELES, Calif. -- A 2002 interview has surfaced of Mel Gibson, where the Australian star admits to being "manic depressive."

"I had really good highs but some very low lows," Gibson said in the documentary, according to the Sydney Morning Herald. "I found out recently I'm manic depressive."

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No other quotes from Gibson were provided in the article.

The documentary, "Acting Class of 1977," concerns Australia's National Institute of Dramatic Art's acting class of 1977, but the interview with Gibson, reportedly took place in 2002.

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His classmate, Sally McKenzie, conducted the interview.

The documentary will screen the last Sunday of the month in Australia.

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Gibson's publicist was not immediately available for comment.