who played the crazy guy in prison break
Silas Weir Mitchell (actor) Silas Weir Mitchell (born Silas Weir Mitchell Neilson;[1][2][3] September 30, 1969) is an American character actor from Philadelphia, Pennsylvania, United States. Silas Wier Mitchell is known for starring as Charles "Haywire" Patoshik in the Fox television series Prison Break (2005–2007), and Monroe in the NBC television series Grimm (2011–2017).