Mark Harmon Narrator, Executive Producer Austin Stowell Leroy Jethro Gibbs Actor Kyle Schmid Mike Franks Actor Mariel Molino Lala Dominguez Actor Tyla Abercrumbie Mary Jo Sullivan Actor Diany Rodriguez Vera Strickland Actor Sean Harmon Executive Producer Gina Lucita Monreal Executive Producer, Writer David J. North Executive Producer, Writer Niels Arden Oplev Executive Producer Brendan Fehily Writer Pamela Romanowsky Director