Kevin Mazur / 1 / 6
Kevin Mazur / 1 / 6

Michael Douglas is angry that his wife, Catherine Zeta-Jones, was put under pressure to talk publicly about her bipolar disorder diagnosis because it was hard enough for the actress to admit she needed help.

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The "Chicago" star stunned fans earlier this month by opening up about her battle with depression, revealing she had received treatment at a mental health facility in Connecticut.

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She released a statement to the media after news of her stay leaked in the press, and Douglas has praised her courage for facing up to her problems in public.

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In an interview with Oprah Winfrey, due to air next week, he says, "She was outed. ... My oldest son is in federal prison, my ex-wife is suing me, and I got cancer. It's kind of hard for the wife to say, 'I'm depressed.'"

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Douglas' son Cameron, from his marriage to ex-wife Diandra, is serving a five-year sentence for drug charges, while Diandra, who divorced the veteran actor in 2000, is seeking a share of the star's paycheck from his 2010 movie "Wall Street: Money Never Sleeps."