Anika Noni Rose in Botswana

"I had read several of the books before I was cast, and I read the script," Rose said in a session at press tour. "For me, when something resonates with me, I can hear the voice as I'm reading the script. So for me, she came to life immediately from these pages."

Rose, who won a Tony for her role in Caroline, or Change and is best-known as a member of the trio in Dreamgirls, was not familiar with the accent in Botswana, where the series was set and shot. So she improvised.