Mamie Gummer Mamie Gummer

Mamie Gummer has been cast in Shonda Rhimes' new medical drama Off the Map.

Caroline Dhavernas snags lead in Off the Map

Gummer, Meryl Streep's 26-year-old daughter who recently guest-starred in The Good Wife, will play Mina Minard, the third in the trio of doctors who leave the U.S. to work in a South American medical clinic.

Grey's doc moves Off the Map

The pilot centers on Mina, Lily (Caroline Dhavernas) and Manny (Enrique Murciano), who each are trying to leave behind spotted pasts. Jason George, Martin Henderson and Valerie Cruz also star.