Richard Dean Anderson

as David Smith(4 eps)

as Keith(1 ep)

as Jack O'Neill(6 eps)

as Jack O'Neill

as Colonel Jack O'Neill

as O'Neil - Lui même

as Major General Jack O'Neill

as Jack O'Neill(5 eps)

as Jack O'Neill(178 eps)

as James Holland(2 eps)

as Lt. Michael Brooks

as Bill Parish

as Ernest Pratt / Nicodemus Legend(13 eps)

as Angus MacGyver

as Bradley

as Bradley Matthews

as MacGyver

as Ray Bellano

as Jack Rourke

as Richard Dean Anderson (voice)(1 ep)

as Self (archive footage)

as Tony Kaiser

as Spud

as Angus MacGyver(139 eps)

as Navy Lt. Simon Adams(22 eps)

as Adam McFadden(22 eps)

as Drug Dealer (uncredited)

as Self(1 ep)

as Carter Randall(1 ep)

as MacGyver (uncredited)(2 eps)

as Self(1 ep)

as Self - Presenter(2 eps)