MEC has made a pair of hires, naming Brian Eakin senior partner and senior digital director and Eric Poritzky senior partner and senior director. Eakin was previously senior vice president of client engagements at Social Chorus, while Poritzky was managing director at Ebiquity

ZenithOptimedia has made three moves, including promoting Dave Penski to chief executive officer for Zenith U.S. and Rob Jayson to chief data officer for ZenithOptimedia Worldwide. Penski had been president, while Jayson was president of strategy. The agency has also hired former 4D president James Shoreland as executive vice president of corporate development.

Hispanic agency Bromley has promoted Edith Ramirez to chief financial officer, up from her previous position as client accounting manager. Ramirez joined the agency in 1995 and has also held positions as financial analyst and senior financial analyst.

Jamie Mottram has been named director of content development at USA Today Sports Media Group, effective Aug. 6. Mottram was previously in charge of strategy and development for blogs, social media and SEO at Yahoo.

Source Interlink Media has promoted David Kennedy, naming him publisher of its custom truck group. Kennedy joined the company in 2000, working at its 4-Wheel and Off-Road magazine.

Laura Knipping has joined the teen magazine J-14, becoming an assistant editor. Knipping was previously an editorial assistant at Woman's World.

Academy Award-winning actress Renee Zellweger is producing a drama pilot for Lifetime. "Cinnamon Girl" follows four girls who come of age in Los Angeles during the late 1960s.

Comedy Central is keeping its faux news team intact. The network has signed Jon Stewart and Stephen Colbert to contract extensions, keeping Stewart at "The Daily Show" through at least mid-2015 and Colbert at "The Colbert Report" through the end of 2014. Each show received four nominations for this year's Emmy Awards.

Dolph Lundgren has been named host of ReelzChannel's "Race to the Scene," the network's first reality competition. The show, which sounds like "The Amazing Race" involving movie locations, premieres in spring 2013.

Comedy Central has signed on comedian Jeff Ross to host "The Burn with Jeff Ross," a six-episode series premiering Aug. 14. Ross will also star in an hour-long stand-up special on the network called "Jeff Ross Roasts America" on Aug. 11.

After leaving Discovery Communications last year, Peter Liguori has a new gig. He's a consultant at the Carlyle Group, which invests in media and telecom companies. Liguori helped oversee the launch of Discovery's troubled Oprah Winfrey Network. Before that he was chairman and president of Fox.

CBS has added Christopher Nicholas Smith to the cast of its comedy pilot "Ex-Men," playing a guy who moves into a short-term rental complex. Smith recently starred in the network's pilot "Entry Level," but it wasn't picked up to series.

Kat Foster has joined the cast of Fox's midseason comedy "Goodwin Games," about siblings who reconnect after their father dies. Foster will play the minister of the family's church.

Tags: Brian Eakin, Christopher Nicholas Smith, David Kennedy, Dolph Lundgren, Eric Poritzky, jeff ross, Kat Foster, Renee Zellweger