Sports reporter Andrea Kremer has joined NFL Network as chief correspondent, working in a new unit that will cover player health and safety issues. Kremer has previously covered the NFL for NBC and ESPN.

Actress Judith Light has joined the cast of TNT's "Dallas" for its second season, in a recurring role as a controlling woman who gets aggressive when it comes to protecting her loved ones. Light's most recent TV appearance was a guest role on "Nurse Jackie."

Justin Smith has been named web developer at Topin & Associates, a healthcare marketing agency based in Chicago. Smith previously worked for the event production company Star Events.

Clear Channel Media and Entertainment has named Jerrell Jimerson vice president of product for digital, working with the company's iHeartRadio platform. Jimerson was most recently president and chief executive officer at Songbird.

Rajal Lele has been promoted to vice president of business affairs at NBCUniversal, working with Bravo Media, Oxygen Media and Style Media. Lele joined NBCU in 2008 as director of business affairs for the entertainment, digital networks and integrated media division.

NBC News has made a few changes, including naming Alex Wallace executive producer of "Rock Center with Brian Williams," replacing founding producer Rome Hartman. Wallace had been the top deputy to NBC News president Steve Capus, and she'll be replaced in that role by Washington bureau chief Antoine Sanfuentes.

CBS news has promoted Michael Radutzky to executive producer of creative development, effective immediately. Radutzky will also retain his role as senior producer for "60 Minutes."

Ruben Keoseyan has been named vice president of content at Telemundo, working in the network's flagship station KVEA in Los Angeles. Keoseyan was previously executive editor at the Spanish-language newspaper La Opinión.

Singer, dancer and former "American Idol" judge Paula Abdul is set to guest on ABC's "Dancing with the Stars," appearing as a guest judge on the Oct. 15 episode. Abdul will sit at the judges' table along with regulars Len Goodman, Bruno Tonioli and Carrie Ann Inaba.

CBS has named "The Big Bang Theory" actress Kaley Cuoco host of the upcoming "People's Choice Awards," her second year in a row as host of the event. The show will air on CBS on Jan. 9.

Fox has added actor Mike Starr to the cast of "The Mob Doctor" in a recurring role, although it's not quite clear how long the low-rated drama will last. Starr is best known for his roles in movies including "Goodfellas" and "Dumb and Dumber."

Tags: Antoine Sanfuentes, Justin Smith, Kaley Cuoco, Len Goodman, Michael Radutzky, Mike Starr, Paula Abdul, Ruben Keoseyan