Alex recently spoke with TV Guide about being an organ donor, becoming a spokesperson for Donate Life America, and Three Rivers, which premiered last night on CBS.

Sunday’s series premiere of Three Rivers (CBS, 9/8c) marks Alex O’Loughlin’s return to TV, and the Aussie hunk hopes his Moonlight fans will follow him to the medical drama not just to support him, but to support organ donation. Rivers explores the lives of organ donors, recipients and a team of transplant surgeons led by O’Loughlin’s Dr. Andy Yablonski. Since scrubbing into the role, the actor has become a Donate Life America spokesperson and ambassador to raise awareness, while CBS and Donate Life have partnered in a joint initiative to encourage people to donate their organs once they die.

We caught up with O’Loughlin to learn about his passionate new roles on- and off-screen for our new Celebrity Charities feature, which highlights stars’ favorite causes. (Continue reading.)

Did you watch Three Rivers last night? Tell us what you thought.