Ardwight Chamberlain (sometimes credited as R.D. Chamberlain or R. Dwight born February 16, 1957) is an American voice actor and screen writer currently living in Los Angeles, California. He is best known as the voice of Vorlon Ambassador Kosh on the science-fiction television series Babylon 5. He has also written a number of episodes for the animated TV show Digimon: Digital Monsters, has appeared on the game show Jeopardy!, and has written and provided voices for the English dubbed versions of several Japanese anime.