Sean Masterson was an improvisational performer on which Drew Carey's show?
Drew Carey's Improv-A-Ganza Drew Carey's Improv-A-Ganza is an improvisational comedy television program that aired in the United States on the Game Show Network. The program was hosted by Drew Carey and was produced at the Hollywood Theatre at the MGM Grand in Paradise, Nevada. The show premiered on April 11, 2011 at 8 p.m. EST.
Dan Patterson Dan Patterson is a British television producer and writer, responsible for the production of both the British and American incarnations of the improvisation show "Whose Line Is It Anyway?" and the British satirical panel show "Mock the Week" with writing partner Mark Leveson. He has also written for episodes of both shows.