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"Dean Winters will reportedly return to 30 Rock in an upcoming episode. The actor will reprise his role as Liz Lemon&amp;#039;s sleazy ex-boyfriend Dennis Duffy in the November 29 installment &amp;#039;Mazel Tov, Dummies&amp;#039;, reports Vulture.   Winters has appeared in 14 episodes of 30 Rock, dating back to the first season. He most recently guest starred in three episodes of the sixth season earlier this year. Tina Fey previously tipped Winters along with Matthew Broderick and Will Arnett as the guest stars she most wanted to return for 30 Rock&amp;#039;s final season. Broderick did reprise his role as political strategist Cooter Burger in &amp;#039;Governor Dunston&amp;#039; in early October. 30 Rock airs tonight (November 15) at 8/7c on NBC. Watch Dean Winters in a 30 Rock clip below:      "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/30-rock/news/a438466/30-rock-dean-winters-returning/>