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"Bryan Cranston and Catherine O&amp;#039;Hara have been cast in the final season of 30 Rock. The Frankenweenie actress will play the mother of Kenneth Parcell (Jack McBrayer), with the Breaking Bad star taking on the role of Kenneth&amp;#039;s mum&amp;#039;s &amp;#039;friend&amp;#039; Ron, TV Guide reports.   &amp;quot;We&amp;#039;re going to meet Kenneth&amp;#039;s [family],&amp;quot; explained star and executive producer Tina Fey.  It has not yet been confirmed when precisely they will appear.  The Emmy-winning comedy&amp;#039;s seventh season will be its last, and will have 13 new episodes, including an hour-long series finale. Executive producer Robert Carlock has previously revealed that he also wants Will Arnett and Michael Sheen to make guest appearances in the final episodes. Cranston has also become involved with another NBC comedy, directing an episode of The Office. Watch a clip from 30 Rock&amp;#039;s season six finale below:  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/30-rock/news/a403148/bryan-cranston-catherine-ohara-for-30-rock/>