Reg E. Cathey, 'House of Cards' and 'The Wire' actor, dies at 59

Reg E. Cathey guest starred on numerous television shows, playing Norman Wilson in seasons four and five of "The Wire" as well as in "Grimm," "Law& Order: Special Victims Unit," " House of Cards," and "Outcast. Children of the 1990s will also remember him from the math-based kids show "Square One." 
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