NCIS • Season 12 Cast & Crew
Mark HarmonLeroy Jethro Gibbs Michael WeatherlyTony DiNozzo Brian DietzenJimmy Palmer David McCallumDr. Donald 'Ducky' Mallard Pauley PerretteAbby Sciuto Emily WickershamEllie Bishop Gary GlasbergExecutive Producer Donald P. BellisarioExecutive Producer Brian KirkOriginal Music Composer Matt HawkinsTheme Song Performance Maurice JacksonTheme Song Performance Neil MartinTheme Song Performance Susan BluesteinOriginal Casting David SchillerProduction Supervisor 
