David James Elliott (aka Commander Harmon Rabb Jr.)

Catherine Bell (aka Major Sarah "Mac" Mackenzie)

J.M. Jackson (aka Rear Admiral Chegwidden)

Patrick Labyorteaux (aka Lt. Bud Roberts)

Karri Turner (aka Lt. jg Sims-Roberts)

Steven Culp (aka Clayton Webb)

Trevor Goddard (aka Lt. Commander Mic Brumby)