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 Philip Winchester Mason Franks Guest Star Adam Campbell Dr. Donald "Ducky" Mallard Guest Star Miguel Gomez Manny Guest Star Robert Taylor Jackson Guest Star Shea Buckner Dwayne Pride Guest Star Caleb Foote Randy Randolph Actor Julian Black Antelope Dr. Tango Guest Star Bobby Moynihan Woody Browne Actor Shiloh Fernandez Thomas Mulligan Actor Russell Posner Corey Jones Actor Sean Harmon Executive Producer Gina Lucita Monreal Executive Producer, Writer David J. North Executive Producer Niels Arden Oplev Executive Producer, Director Margarita Matthews Writer Ron McGee Writer Matthew T. Brown Writer Brendan Fehily Writer Jessica Lowrey Director Diana Valentine Director Ryan Lee Writer Maria Jacquemetton Writer Daniel J. Egbert Writer Anthony Hemingway Director Patrick Cady Director James Whitmore Jr. Director Lionel Coleman Director