Michael Douglas on David Letterman 31 August 2010

Michael Douglas is battling stage-four throat cancer with a rigorous prescription of chemotherapy and radiation. Yet, there he was on television Tuesday night, talking to David Letterman about his disease in a very candid interview on "Late Night."

Appearing gaunt, but remarkably healthy under the circumstances (his silver, tousled hair added a lively element of style to his appearance), the 65-year-old movie star was upbeat, honest, and good-spirited during his "Late Show" appearance. Letterman told Douglas he'd "never looked better."