They were physically small, with a somewhat beetle-like appearance.
The Cascor were never specifically identified in the video episodes, but speculation suggests that the small alien seen on the Core shuttle might be, as they are short and could have a large, humped back. The ridges on top of the head could be antenna laying back.
|First Born Vorlon Shadow Walkers of Sigma-957 Thirdspace Aliens The Hand Asmodeus' race|
|Minbari Centauri Human Narn Dilgar Drakh|
|Drazi Brakiri Gaim pak'ma'ra Abbai Yolu Hyach/Hyach-do Markab Llort Grome Hurr Cascor Balosian Onteen Iksha Vree|