Based on what I've read the actor who played Dr. Kyle had to back out of doing B5 due to health problems he was having at the time. He was indeed pretty good in the role but I'm glad we ended up with Richard Biggs.
“Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.”
