Commander James Bond is a Senior Operational Officer of the 'Double-O' ('00') Branch, an ultra-covert Black Ops unit within the British Secret Intelligence Service (MI6). As an agent of MI6, Bond holds code number "007". The 'double-O' prefix indicates his discretionary licence to kill in the performance of his duties. Australian actor George Lazenby briefly held the role from 1968 to 1969, appearing in 1969's On Her Majesty's Secret Service. Even though he had been offered a contract for seven movies, Lazenby felt dissatisfied with the role and left the series after the release of the film.