Tv executives are working on another spin-off show to expand the popular Ncis franchise.

The drama series, which stars Mark Harmon, was itself a spin-off from Jag and has already spawned Ncis: Los Angeles, starring Chris O'Donnell and LL Cool J.

It has now emerged executives are planning to launch another new show, set in New Orleans, Louisiana.

Harmon will be among the executive producers on the project, which will begin filming in the spring (14), according to