David James Elliott Lt., Lt. Cmdr. Harmon "Harm" Rabb, Jr. Actor Catherine Bell Maj., Lt. Col. Sarah "Mac" MacKenzie Actor John M. Jackson Actor Patrick Laborteaux Lt. j.g., Lt. Bud Roberts Actor Karri Turner Ensign, Lt. j.g. Harriet Sims Actor Scott Lawrence Cmdr. Sturgis Turner Actor Zoe McLellan Petty Officer Jennifer Coates Guest Star Bill Cobbs Guest Star Hallee Hirsh Guest Star Joan McMurtrey Guest Star Erica Gimpel Guest Star John Walcutt Guest Star Kay Lenz Guest Star Shashawnee Hall Guest Star Gregory Wagrowski Guest Star Tony Lee Guest Star Benton Jennings Guest Star Michael Ensign Guest Star Michael Bellisario Guest Star Donald P. Bellisario Executive Producer Charles Floyd Johnson Executive Producer Stephen Zito Executive Producer, Writer Mark Horowitz Executive Producer Bradford May Director