Alex O'Loughlin and Mandy Patinkin

Mandy Patinkin (Criminal Minds) will guest-star on Three Rivers, CBS has announced.

The Emmy and Tony winner will play a patient injured in a car accident. His character asks the doctors at Three Rivers hospital to pull him off life support so his organs can be donated.

Watch full episodes of Three Rivers

Patinkin has personal experience with organ donation, receiving corneal transplants in 1997.

Three Rivers airs on Sunday nights at 9/8c on CBS.