Ages 18-70, any ethnicity: to play Cadets: young, fresh-faced, Military types: marching experience preferred, thin, regal talent with BROWN or BLACK hair AND are OK with their eyebrows being shaved from the arch outward to portray a Vulcan-type eyebrow shape.
Talent with interesting and unique facial features such as: long necks, small heads, extremely large heads, wide-set eyes, bug eyes, close-set eyes, large forehead, short upper lip, pronounced cheekbones, over- or undersized ears and/or nose, facial deformities, ultra plain-looking people, ultra perfect-looking people, pure wholesome looks, twins, triplets, emaciated talent, regally poised and postured talent, or other visually unique characteristics.
Everyone must be thin, athletic, fit; wardrobe will be form-fitting.
Well, that last requirement pretty much excludes most of the Star Trek geeks I know of. Unless, of course, they are looking for someone to play the part of Ensign Fat Elvis.