NCIS: Sydney is an Australian military police procedural series and is a spin-off of NCIS and its franchise. It was created as the first spin-off outside the United States, and follows a fictional task force of special agents from the Naval Criminal Investigative Service (NCIS) and Australian Federal Police (AFP) officers working together on investigations involving American military personnel. The series features Australian actors and producers and stars Olivia Swann, Todd Lasance, Sean Sagar, Tuuli Narkle, Mavournee Hazel and William McInnes.