Shemar Moore Daniel "Hondo" Harrelson Actor Stephanie Sigman Jessica Cortez Actor Alex Russell Jim Street Actor Jay Harrington David "Deacon" Kay Actor Lina Esco Christina "Chris" Alonso Actor Kenny Johnson Dominique Luca Actor Peter Onorati Jeff Mumford Actor David Lim Victor Tan Actor Patrick St. Esprit Commander Robert Hicks Actor Debbie Allen Charice Harrelson Guest Star Deshae Frost Darryl Guest Star Michael Beach Leroy Guest Star Lorin McCraley Disco Guest Star Christopher Redman Brad Guest Star Abby Brammell Lara Guest Star Jayda Berkmen Tuana Guest Star David Marciano Detective Billings Guest Star Mark Espinoza Jorge Guest Star Anjali Bhimani Agent Benson Guest Star Eugene Shaw Jax Guest Star Andy Cohen Seth Guest Star Erica Shaffer Doctor Guest Star Carlie Casey Frezno Tina Guest Star Leigh Bush Roberts Guest Star Brendan Calton Trainee Guest Star Angelica Scarlet Johnson Kelly Guest Star Justin Barco Luis Guest Star Jonathan Erickson Eisley Trucker Cap Guest Star Aaron Rahsaan Thomas Executive Producer Shawn Ryan Executive Producer Justin Lin Executive Producer Neal H. Moritz Executive Producer Marney Hochman Executive Producer Danielle Woodrow Executive Producer Pavun Shetty Executive Producer Sarah Alderson Writer Munis Rashid Writer Oz Scott Director