What American idol runner-up stars on Smash?
Katharine McPhee Katharine Hope McPhee (born March 25, 1984) is an American actress, singer and songwriter. She gained fame in May 2006 as the runner-up on the fifth season of "American Idol."
Characters of Smash "Smash" is a musical-drama television series, broadcast on NBC since February 6, 2012. "Smash" features an ensemble cast, with 13 regular cast members over the course of two seasons.