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Mark Llewellyn Biography

Birth Name:Mark Llewellyn

Profession Actor, Writer

Fast Facts

  • Best known for performing the characters of an FBI agent, a SWAT agent and an FBI technician in three episodes of the crime drama television series “Without a Trace” in 2005 and 2006
  • In 1976, he started his career as an FBI agent and later used his expertise to become an advisor on crime drama television series
  • He performed the character of a homicide detective in the pilot episode of the police procedural television series “The Mentalist” in 2008
  • On top of being an actor, he is also a screenwriter and used his background as an FBI agent to write three episodes of the crime drama television series “Numb3rs” between 2006 and 2009