Fast Facts

  • Was named after a 19th-century ancestor, a physician and author.
  • First role ever was as Hansel in a third-grade production of Hansel and Gretel.
  • Acted on stage in New York City before beginning his MFA program at the University of California, San Diego.
  • Directed a dramatic short film called Song in a Convenience Store in 2010.
  • Known mostly for playing unstable and disturbing characters before landing the role of reformed lupine clockmaker Monroe on NBC's Grimm in 2011.


  • Brown University, Providence, RI (BA in Theatre and Religion, 1991); University of California, San Diego, CA (MFA in Theatre Arts, 1995)


  • Birth Name: Silas Weir Mitchell Neilson
  • Birth Place: Philadelphia, PA
  • Profession: Actor
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