Guest Stars Natalia Cordova-Buckley as Elena "Yo-Yo" Rodriguez Adrian Pasdar as Brigadier General Glenn Talbot John Hannah as Holden Radcliffe Mark Dacascos as Mr. Giyera Axle Whitehead as JT James Derek Phillips as Agent O'Brien Co Starring Dorian Gregory as Undersecretary Walter Thomas Patrick John Hurley as General Andaz Alan Heitz as Bookish Man