Mark Llewellyn is an actor and writer best known for Without a Trace and NUMB3RS.
Filmography
- Without a Trace as FBI tech/SWAT agent/FBI agent (3 episodes)
- Grand Theft Auto IV as The Crowd of Liberty City
- The Mentalist as Homicide Detective (1 episode)
- Urban Legends as David (1 episode)
- F 2 Forensic Factor (1 episode)
Writer
- NUMB3RS (3 episodes)
