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 Chuck Carrington Actor Scott Lawrence Cmdr. Sturgis Turner Actor Nanci Chambers Actor Dan Lauria Guest Star Mary Page Keller Guest Star Scott Paulin Guest Star Richard McGonagle Guest Star Khary Payton Guest Star Faran Tahir Guest Star Al Faris Guest Star Assaf Cohen Guest Star Barry Wiggins Guest Star Dean Cudworth Guest Star Vic Chao Guest Star Ammar Daraiseh Guest Star Tara Buck Guest Star Salar Ghotbzadeh Guest Star Donald P. Bellisario Executive Producer Charles Floyd Johnson Executive Producer Stephen Zito Executive Producer Mark Horowitz Executive Producer Dennis Smith Director Matt Witten Writer