A 1991 graduate of Brown University in Rhode Island with majors in theatre and religion.
Title of Masters thesis - "What We Make Is Not Ours", (MFA, 1995, University of California, San Diego).
He spent some time after graduation in New York acting in minor theatre productions, then attended a three-year theatre program at the University of California, San Diego, where he earned an M.F.A. degree in 1995.
Founder and president of the production company, Phantom Limbs Plays & Pictures.
His blue Doberman is named Atticus.
Full name is Silas Weir Mitchell Neilson. He was named after an ancestor, the 19th century physician and author, Silas Weir Mitchell.
Has appeared on all three of the CSI franchise shows as different characters.
Graduated in 1987 from St. Paul's School, a college preparatory boarding school in Concord, New Hampshire.
Grew up in Montgomery County, Pennsylvania, just outside of Philadelphia.