Someone has claimed an improper credit on a film. How can I get it corrected?

Close to the bottom of film page, click the "Edit Page" button. This will bring you to the updates page for that film.

Select "Select / Delete" from the scroll down menu on the "Cast" row.

Click the "Continue >>" button near the bottom of the page. This will bring you to the "Cast and Crew" page and click the button on the bottom of the page.

Next to the actor mistakenly getting your credit, select "Correct" and click the button at the bottom of the page. Follow the instructions to submit your correction.

For additional information go to:
Board: Contributors Help

If you need additional assistance, post a message to the Contributor Help Board.
Many of the members are experienced contributors and are willing to help.