Mark Llewellyn

Attore

Worked for the FBI from 1976, later becoming an advisor on TV series.

2008	The Mentalist · as Homicide Detective
2007	Urban Legends · as David
2003	F2: Forensic Factor · as CastSu Plex
2002	Without a Trace · as Fbi Agent

2013	Haunted History (2013) · as Self - Fbi Profiler

2005	Numb3rs · as Story