2012

(1 episode) as Richard Dean Anderson

2011

(4 episodes) as David Smith

2009		Stargate Universe (6 episodes) as Jack O'Neill
2009		Stargate SG-1: Children of the Gods as Colonel Jack O'Neill
2009		Stargate - En route vers les étoiles as O'Neil - Lui même

2008

as Major General Jack O'Neill

2004

(1 episode) as Jack O'Neill (1 episode) as Brigadier General Jack O'Neill (1 episode)

1997		Stargate SG-1 (1 episode) as Himself (214 episodes) as Jack O'Neill
1997		FireHouse as Lt. Michael Brooks

1996

(2 episodes) as Capt. James Holland

1995		Past the Bleachers as Bill Parish
1995		Legend (13 episodes) as Ernest Pratt / Nicodemus Legend

1994		MacGyver: Trail to Doomsday as Angus MacGyver
1994		Beyond Betrayal as Bradley
1994		MacGyver: Lost Treasure of Atlantis as MacGyver

1992		Through the Eyes of a Killer as Ray Bellano
1992		In the Eyes of a Stranger as Jack Rourke

1989

(1 episode)

1988

as Self (archive footage)

1986		Ordinary Heroes as Tony Kaiser
1986		Odd Jobs as Spud

1985

(143 episodes) as Angus MacGyver

1983

(22 episodes) as Navy Lt. Simon Adams

1982		Seven Brides for Seven Brothers (22 episodes) as Adam McFadden
1982		Young Doctors in Love as Drug dealer

1981

(1 episode) as Self

1979

(1 episode)

1977

(1 episode) as Carter Randall

1976

(1 episode)

1975

(1 episode) as MacGyver (1 episode) as Self - Cameo (uncredited)

1962

(1 episode) as Self