Actress Dove Cameron has joined the cast of Disney Channel’s upcoming comedy “Liv and Maddie,” playing identical twins. Cameron has also signed on to star in the network’s original movie “Cloud 9.”

Former Major League manager Manny Acta has joined ESPN and ESPN Deportes as an MLB analyst, appearing on “Baseball Tonight,” “SportsCenter” and other shows. Acta was most recently manager of the Cleveland Indians.

Adult film network VividTV has brought in David Guerra, naming him senior vice president of distribution for Latin America and the Caribbean. Guerra had been vice president of distribution for Latin America and the Iberian Peninsula at The Erotic Networks.

HBO has named Brian Buckner showrunner for “True Blood,” where he previously served as a co-executive producer. Buckner replaces Mark Hudis, who left the position to focus on development at the network.

Goodby Silverstein & Partners has promoted three, naming Anders Gustafsson, Joakim Borgstrom and Niklas Lilja directors of innovation. All three were previously creative directors.

Rey Peralta has been named senior vice president and director of creative technology at Deutsch, working in the agency’s New York office. Peralta previously held a similar position at Mother.

Digital agency Evolution Bureau has brought in Patrick Maravilla, naming him a creative director. Maravilla was previously at 72andSunny, where he was lead writer for the agency’s Samsung account.

Peter Mertz has been named director of digital at Zambezi, an agency that focuses on sports and entertainment. Mertz joins from Elastic, where he was head of digital.

Kantar Media has named Terry Kent global chief executive officer of its new Global Ad Intelligence sector, which includes the company’s Intelligence, CMAG and Marx groups. Kent joined the company in 2008 when it was known as TNS Media.

Katz Radio Group has promoted Michelle Robinson to vice president of sales, working with the Seattle market. Robinson joined Katz in 2003, and before that she was at Interep.

NBC Sports Radio is moving Erik Kuselias to the 6 a.m. to 9 a.m. morning drive slot, effective on April 1. Sunday morning host Jon Stashower will take over the nightly 7 p.m. to 10 p.m. slot vacated by Kuselias.

ABC News has made a pair of moves, including naming Rob Nelson a correspondent for all platforms. Nelson had been co-anchor of “World News Now” and “America This Morning.” He’ll be replaced in that role by John Muller, who had been Sunday “Good Morning America” correspondent.

Tags: David Guerra, Erik Kuselias, John Muller, Jon Stashower, Mark Hudis, Michelle Robinson, Rob Nelson, Terry Kent