Derek Cecil

Derek Cecil (born January 5, 1973) is an American actor. He played the role of Seth Grayson on the Netflix series ''House of Cards'', starred in the short-lived series ''Push, Nevada'' and ''The Beat'', and made several appearances in the series ''Pasadena'' and ''Banshee''.

He is also in the Showtime series ''Black Monday'' as Detective Lester. Provided by Wikipedia