necessary. In reality shows, the are often called a story producer. Post-production producer or post-production coordinator Responsible for the overall post-production process, including editing, dubbing, and grading, and are managed by the post-production supervisor. In live television or "as-live", an executive producer seldom has any operational control of the show. their job is to stand back from the operational aspects and judge the show as an ordinary viewer might. In film or video productions, the executive producer is almost always given an opportunity to comment on a rough cut, but the amount of attention paid to their comments is highly dependent on the overall personnel structure of the production. Writer as "producer" Because of the restrictions the Writers Guild of America screenwriting credit system places on writing credits, many script writers in television are credited as "producers" instead, even though they may not engage in the responsibilities generally associated with that title. On-screen, a "producer" credit for a TV series will generally be given to each member of the writing staff who made a demonstrable contribution to the final script. The actual producer of the show (in the traditional sense) is listed under the credit "produced by". Bill Lawrence, a television screenwriter, producer, director and series creator (Scrubs, Cougar Town and Spin City) explained during an interview on Off Camera that: Star as "producer" Sometimes the star of a successful television series can have a degree of influence over the creative process. For example, besides his leading role as Jack Bauer in 24, Kiefer Sutherland was credited as producer during the show's second season, then rising to co-executive producer from season 3 to the last few episodes of season 5, from where he was finally promoted to executive producer. Claire Danes, the star of Homeland, also produces the show. Mark Harmon, star of the series NCIS, serves as one of the show's producers. Similarly, Tom Welling, the star of the CW show Smallville, became co-executive producer for the show in season 9 and executive producer in season 10. House star Hugh Laurie became co-executive producer for the show in its sixth season. Holly Marie Combs and Alyssa Milano, the stars of Charmed, became producers of the show in its fifth season. Ellen Pompeo on Grey's Anatomy became a producer in season 14. Notable television producers J. J. Abrams: Alias, Lost, Fringe, Person of Interest Mara Brock Akil: The Game, Girlfriends