Joseph Harold Dunnigan III (born January 5th, 1967 in Los Angeles, California) is an American actor best known for Stargate Atlantis.
He shares three children with ex-wife Katherine Kousi.
Filmography:
- Murphy Brown (1997): Scott Hamon
- Dawson's Creek (1998): Vincent
- Cupid (1998): Alex Du Mouy
- Providence (1999): Dr. David Marcus
- First Monday (2002): Julian Lodge
- Birds of Prey (2002): Detective Claude Morton
- Judging Amy (2002): Tobin Hayes
- Tru Calling (2003): Andrew Webb
- Women's Murder Club (2007 - 2008): FBI Agent John Ash
- Stargate Atlantis (2004 - 2009): John Sheppard
- Warehouse 13 (2009): Jeff Weaver
- Fringe (2011): Robert Danzig
- Major Crimes (2013): Rick Marlow
- Seal Team (2019): General Trask
- General Hospital (2019 - 2020): Neil Byrne