Guest Stars Laura San Giacomo as Doctor Grace Confalone Hugo Armstrong as NCIS Special Agent Eugene Coyle Nancy Linehan Charles as Ruthann Harrison Max Adler as Luke Stana Nikki Crawford as Dr. Shawna Street Rickey Eugene Brown as Navy Petty Officer Third Class Ed Thomas Amrapali Ambegaokar as July Wunderman Marcos Favela as Navy Petty Officer Third Class Carlos Garcia Co Starring Jordan Murphy as Navy Commander Ben Randall