Planet Hollywood has expanded its PR department, naming Patty Casino VP of national public relations and upping Matthew D. Hallman to director of national public relations. Casino has been on the Planet for two years; Hallman joined from New Line Cinema. They will be based in Gotham. Also, Barbara Palmer has joined the company as VP-entertainment alliances. Coming from Paramount Pictures, she’ll handle partnership marketing with film studios. Palmer is based in L.A.