Alex O'Laughlin, Cast Pose for Three Rivers Promo Pics

Three Rivers premieres on CBS in the fall.

The cast of the medical drama is led by Alex O'Laughlin, as the series takes viewers inside the complex lives of organ donors, the recipients and the surgeons at a major transplant hospital. The show tells stories from the perspectives of all involves.

Below, Alex O'Laughlin and fellow castmates pose for a trio of promotional photos released this week by CBS: