Percival Ulysses "Perry" Cox, M.D., is a fictional character played by John C. McGinley on the American television comedy drama Scrubs. Cox appears in every episode except for "My Last Words", "My Comedy Show", and "My Full Moon", all from Season 8.
John C. McGinley, Zach Braff, and Donald Faison were the only cast members who returned as regulars for Season 9. Ken Jenkins, Sarah Chalke, and Neil Flynn made guest appearances. From Wikipedia
