Career
He is best known as the voice of Vorlon Ambassador Kosh on the science-fiction television series. He has also written a number of episodes for the animated television show, has appeared on the game show Jeopardy!, and has written and provided voices for the English dubbed versions of several Japanese anime. Although he has been "the voice" of Kosh, the man underneath the encounter suit was Jeffrey Willerth.
He provides the voice for the character of Nicolai (Nicolas) Conrad in the English language version of the video game Shadow Hearts: Covenant (2004).
Several of his roles have been mistaken for Kirk Thornton.