"Exclusive Casting Alert! Olympic speedskating medalist
@ApoloOhno to guest star on #H50. Are there ice rinks in Hawaii?" tweeted @CBSTweet today.
Apolo Anton Ohno (born May 22, 1982) is an American short track speed skating competitor and an eight-time medalist (two gold, two silver, four bronze) in the Winter Olympics. He is the most decorated American Winter Olympic athlete of all time. (Source)