Silas Weir Mitchell is an American actor best known for his recurring role as deranged escapee Charles 'Haywire' Patoshik on the television action series Prison Break, from 2005-2007.
He is also known for his starring role as Monroe, a reformed Blutbad who is Nick's reluctant informant, in the fantasy drama television series Grimm.
Mitchell has worked steadily during his time in Los Angeles, making over 100 television guest appearances on series including My Name Is Earl, The Mentalist, Numb3rs, Burn Notice and Prison Break. He has also appeared in many feature films.
One of Mitchell's enduring passions is the theatre, where he has directed, produced and starred in numerous productions of classical, as well as new works in Los Angeles and around the country.
He has also spent some time behind the camera, helming a short film, Song in a Convenience Store, which appeared in several film festivals around the country, including the Athens Film Festival where it won Best Narrative Short.
Mitchell hails from Philadelphia, Pennsylvania. He moved to Los Angeles after finishing his graduate studies in theatre arts at the University of California, San Diego.
He is named for an ancestor, the 19th century physician and author Silas Weir Mitchell, known for his discovery of causalgia.