Starz is expanding the cast of its comedy series “Run the World.”Tika Sumpter, Comedian CP and Isha Blaaker are all joining the cast in recurring roles for Season 2. Additionally, Cree Summer and Ashley Blaine Featherson-Jenkins will guest star in the upcoming season, the network announced on Wednesday.“Run the World” follows a group of smart, funny and vibrant thirtysomething Black women — played by Corbin Reid, Bresha Webb and Amber Stevens West — who live, work and play in Harlem.