We don't have a biography for Dr. Arthur Walsh yet. Hang in there, or go ahead and contribute one.
Appearances
Chloe Chronicles Smallville
Main cast, played by Christopher Heyerdahl
Guest cast, played by Christopher Heyerdahl
- Episode 1x03: Chronicle 2 (May 13, 2003)
- Episode 2x01: Chronicle 1 (May 26, 2004)
- Episode 2x02: Chronicle 2 (May 26, 2004)
- Episode 2x03: Chronicle 3 (May 26, 2004)