David James Elliott Lt., Lt. Cmdr. Harmon "Harm" Rabb, Jr. Actor Catherine Bell Maj., Lt. Col. Sarah "Mac" MacKenzie Actor Patrick Laborteaux Lt. j.g., Lt. Bud Roberts Actor John M. Jackson Actor Karri Turner Ensign, Lt. j.g. Harriet Sims Guest Star Randy Vasquez Guest Star Scott Lawrence Cmdr. Sturgis Turner Guest Star Cindy Ambuehl Guest Star Chuck Carrington Guest Star Steven Culp Guest Star Harrison Page Guest Star Gabrielle Carteris Guest Star Dennis Dun Guest Star Todd Waring Guest Star Glynn Turman Guest Star Michael Reilly Burke Guest Star Louis Herthum Guest Star Courtney Mun Guest Star Joan Pringle Guest Star Don Stewart Guest Star Ana Guigui Guest Star Mark Henderson Guest Star Donald P. Bellisario Executive Producer Charles Floyd Johnson Executive Producer Stephen Zito Executive Producer Greg Beeman Director David Ehrman Writer