Vulcan wrote:
After 20 years, a substantial percentage of the cast is no longer with us...
B5 was hit particularly hard in this regard:
G'Kar, Delenn, Garibaldi, Vir, Sinclair, Zathras, Franklin, Zack, even Draal.
That's about half the cast of main characters and a bunch of minor ones, if I'm not mistaken.