About:
Thomas Ellis Gibson (born July 3, 1962) is an American actor and director. He portrayed Daniel Nyland in the CBS series Chicago Hope, Greg Montgomery on the ABC series Dharma & Greg, and Aaron Hotchner on the CBS series Criminal Minds (2005–2016).

• Known For
• 
  The Flintstones in Viva Rock Vegas
  as
  Chip Rockefeller
• 
  The Writer's Bible
  as
  The Writer
• 
  Far and Away
  as
  Stephen Chase
• 
  In from the Night
  as
  Aiden Byrnes
• 
  Category 6: Day of Destruction
  as
  Mitch Benson