Actor-producer Michael Douglas, who mentioned his incarcerated son in his Emmy Awards speech Sunday night, afterward spoke on prison reform with reporters backstage.

"I'm hoping I'll be able, and they'll allow me, to see him soon," Douglas said of his oldest son while accepting an Emmy for outstanding lead actor in a miniseries or a movie, for playing pianist Liberace in HBO's "Behind the Candelabra."

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"My son is in federal prison," Douglas later told reporters in comments transcribed by numerous news organizations. "He's been a drug addict for a large part of his life. Part of the punishment if you happen to have a slip is solitary confinement. Right now I've been told that I can't see him for two years. . . . And I'm questioning the system."

In April 2010, Cameron Douglas, 34, was sentenced to 5 years in prison after pleading guilty to heroin possession and to conspiracy to distribute drugs. In December 2011, a judge added another 4 1/2 years for possessing drugs behind bars, though federal prosecutors had asked only for an additional two years. He also received a two-year ban on family visits. After another prison drug bust in January of this year, he received solitary confinement.

"Obviously at first, I was certainly disappointed in my son," Michael Douglas, 68, told reporters. "But I've reached a point now where I'm very disappointed with the system."

Meanwhile, preliminary ratings for Sunday's Emmy broadcast indicate that 17.6 million viewers watched, compared with 13.3 million viewers last year.