Go to the MANAGE REPRESENTATION section of your Actors Access account located under the heading MY TOOLS. 

You will see a list of Talent Representatives that have you set as an active client. You can remove a Talent Representative by clicking "Remove" next to the listing:

When you click "Remove" you will be asked to confirm whether you wish to remove the talent representative. 

Please Note: Once you confirm removal, you will not be able to add that talent representative again. Only your contact representative at the representing company can add you back as an active client once you confirm removal. The talent representative will receive a Cmail informing them that you have removed yourself from their roster.