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"NCIS: Los Angeles&amp;#039;s main cast members will see their real-life mothers star in the next season of the show. Chris O&amp;#039;Donnell&amp;#039;s mother Julie and Daniela Ruah&amp;#039;s parent Catarina will make cameo appearances in the series, reports TVLine.   However, they will not be starring as the actors&amp;#039; on-screen mothers, as they have already been introduced on the CBS drama. They will be joined by LL Cool J and Eric Christian Olsen&amp;#039;s mothers as a group of gambling women at a casino. CBS has said that they will feature in a scene &amp;quot;hand-picked by executive producer Shane Brennan.&amp;quot; NCIS: Los Angeles will return for a fourth season on Tuesday, September 25 on CBS. The action series was picked up for a fourth season back in March. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/ustv/news/a396063/ncis-los-angeles-chris-odonnell-ll-cool-js-mothers-to-cameo/>