David James Elliott Lt., Lt. Cmdr. Harmon "Harm" Rabb, Jr. Actor, Director Catherine Bell Maj., Lt. Col. Sarah "Mac" MacKenzie Actor Patrick Laborteaux Lt. j.g., Lt. Bud Roberts Actor John M. Jackson Actor Randy Vasquez Guest Star Karri Turner Ensign, Lt. j.g. Harriet Sims Guest Star Chuck Carrington Guest Star Trevor Goddard Guest Star Cindy Ambuehl Guest Star Nanci Chambers Guest Star Rif Hutton Guest Star Jennifer Savidge Guest Star Cheryl Pollak Guest Star Susan Angelo Guest Star Donald P. Bellisario Executive Producer Charles Floyd Johnson Executive Producer Stephen Zito Executive Producer Larry Moskowitz Writer