Guest Stars Paul Collins as SecNav Alexander Nelson Cindy Ambuehl as Rene Peterson Michael Bellisario as Midshipman Third Class Michael "Mikey" Roberts, USNA Cynthia Sikes as Dr. Sidney Walden A.J. Tannen as Lt. Alfred Aldridge Brent Huff as Col. Howard Pergament Patrick Kilpatrick as CAPT Lyle Michael Gallagher as SN Smith Shaw Jones as PO Watson Chad Halyard as SN Schofield Maggie Baird as Vera Duke Kent Faulcon as LCpl Sheets J. Patrick Lawlor as Officer of the Deck Co Starring Terence Winter as Tactical Action Officer Christopher Coronado as Lieutenant Michael Ming as Marine