Alex O'Loughlin

"Three Rivers" (Sunday, Oct. 4, at 9 p.m. on CBS)
This spin on the hour-long medical drama follows organ donors, their recipients and the surgeons who do the transplants, at the preeminent transplant hospital in the country. The show features two cult faves as doctors on the ... moreshow -- Alex O'Loughlin, who found a loyal following as the star of "Moonlight" last season, and Katherine Moennig who played Shane McCutcheon on "The L Word."

(CBS)