Special Guest Stars John Ashton as NCIS Agent Brian Turque Guest Stars Patrick Labyorteaux as Captain Bud J. Roberts Jr., USN John M. Jackson as Rear Admiral A.J. Chegwidden, USN Glenn Morshower as CPO Ned Bannon Andrea Thompson as CDR Alison Krennick Ben Lemon as CDR Holbarth Mark Kiely as LT Lamm Brook Parker as LT Sarah Williams Co Starring Catherine Bell as LT Diane Schonke Matt Sigloch as GySgt Cahill