We don't have a biography for Vulcan Simmons yet. Hang in there, or go ahead and contribute one.
Appearances
Castle
Guest cast, played by Jonathan Adams
- Episode 3x13: Knockdown (Jan 24, 2011)
- Episode 6x17: In the Belly of the Beast (Mar 3, 2014)
- Episode 6x22: Veritas (May 5, 2014)