Sean Masterson was an improvisational performer on which Drew Carey's show?
Sean Masterson Sean Masterson is a comedy actor, writer, director and producer known for his work with Drew Carey, writing on "The Drew Carey Show", and as an improvisational performer on "Whose Line Is It Anyway?" spin-offs "Drew Carey's Green Screen Show", and "Drew Carey's Improv-A-Ganza".
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.