Mark Valley

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Known For

Credits

Cast Credits

Crisis (2014)
Guest starring as CIA Director Widener (3 episodes)
Signed, Sealed, Delivered (2013)
Guest starring as Steve Marek
Harry's Law (2011)
Body of Proof (2011)
Starring as Det.Tommy Sullivan (13 episodes)
Human Target (2010)
Starring as Christopher Chance (23 episodes)
Hot in Cleveland (2010)
Guest starring as Jason
Hawaii Five-0 (2010)
Guest starring as Special Agent Frank Zagar
Fringe (2008)
Starring as John Scott (15 episodes)
Boston Legal (2004)
Starring as Brad Chase (62 episodes)
Guest starring as Brad Chase (2 episodes)
The 4400 (2004)
Guest starring as Warren Lytell (2 episodes)
Keen Eddie (2003)
Starring as Eddie Arlette
CSI: Crime Scene Investigation (2000)
Guest starring as Jack Willman
  • Episode 1x13: Boom (Feb 8, 2001)
Guest starring as Daniel Shaw (4 episodes)
Law & Order: Special Victims Unit (1999)
Guest starring as Jake Keegan
Once and Again (1999)
Guest starring as Will Gluck (3 episodes)
Days of Our Lives (1965)
Starring as Jack Deveraux