Noah Wyle and Tracy Wyle Noah Wyle and Tracy Wyle

Former ER star Noah Wyle has separated from his wife, Tracy, after nine years of marriage, TVGuide.com has confirmed.

"Tracy Wyle and Noah Wyle, who separated in late October 2009, have confirmed they have entered into a mediation process. Neither has legally filed for divorce," his rep, Eddie Michaels, said in a statement.

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The two are living in separate residences, and their children, 7-year-old son Owen and 4-year-old daughter Auden, see both parents daily, Michaels added.Wyle, 38, met Tracy Warbin, a makeup artist, in 1996 on the set of the film The Myth of Fingerprints. The pair married in May 2000.