Gina Lucita Monreal Creator, Executive Producer, Writer David J. North Creator, Executive Producer, Writer 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 Caleb Foote Special Agent Bernard Randolf Guest Star Tonantzin Carmelo Tishmal Kwa'la Guest Star Patrick Fischler SAC Cliff Wheeler Guest Star Brittany Freeth Captain Monica Lowe Guest Star Bobby Moynihan Woodrow 'Woody' Browne Guest Star Sean Harmon Executive Producer Niels Arden Oplev Executive Producer, Director Michael J. Ballin Writer Margarita Matthews Writer Jennifer Corbett Writer Thomas Aguilar Writer John Terlesky Director Shalisha Francis Writer Brendan Fehily Writer Hanelle M. Culpepper Director Rafael Samano Writer Jessica Lowrey Director