John Sheppard (played by Joe Flanigan) is a protagonist in Stargate Atlantis.
Military officer who leads the first contact team and is later promoted to Lt. Colonel. He survives an Iratus bug infection attempt and plays a key role in defeating the Wraith leader Michael. Rodney McKay (played by David Hewlett) is a protagonist in Stargate Atlantis.
Scientist on the initial first contact team. He reprograms the Asuran base code to eliminate the Wraith and later develops a romantic relationship with Dr. Keller. Ronon Dex (played by Jason Momoa) appears in Stargate Atlantis.
A human freed from Wraith captivity who replaces the missing Lt. Ford on the expedition team. Richard Woolsey (played by Robert Picardo) appears in Stargate Atlantis.
Sent by the SGC to negotiate with the Ancients. He later replaces Samantha Carter as the official leader of the expedition in the fifth season. Jennifer Keller (played by Jewel Staite) appears in Stargate Atlantis.
Medical professional who forms a romantic relationship with Dr. McKay, reciprocating his feelings in the fifth season.
Stargate Atlantis (2004) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
John Sheppard
(played by Joe Flanigan) — protagonist
Military officer who leads the first contact team and is later promoted to Lt. Colonel. He survives an Iratus bug infection attempt and plays a key role in defeating the Wraith leader Michael.
Rodney McKay
(played by David Hewlett) — protagonist
Scientist on the initial first contact team. He reprograms the Asuran base code to eliminate the Wraith and later develops a romantic relationship with Dr. Keller.
Ronon Dex
(played by Jason Momoa) — supporting
A human freed from Wraith captivity who replaces the missing Lt. Ford on the expedition team.
Richard Woolsey
(played by Robert Picardo) — supporting
Sent by the SGC to negotiate with the Ancients. He later replaces Samantha Carter as the official leader of the expedition in the fifth season.
Jennifer Keller
(played by Jewel Staite) — supporting
Medical professional who forms a romantic relationship with Dr. McKay, reciprocating his feelings in the fifth season.
Key Relationships
John Sheppard → Rodney McKay
(Core Partners)
John Sheppard → Ronon Dex
(Tactical Comrades)
Richard Woolsey → John Sheppard
(Commander and Field Leader)
Rodney McKay → Jennifer Keller
(Unspoken Lovers)
John Sheppard → Jennifer Keller
(Commander and Chief Medical Officer)
Richard Woolsey → Rodney McKay
(Command and Scientific Autonomy)
Ronon Dex → Jennifer Keller
(Protective Ally)
Richard Woolsey → Jennifer Keller
(Executive and Medical Lead)
Richard Woolsey → Ronon Dex
(Evaluator and Tactical Asset)
Rodney McKay → Ronon Dex
(Field Partners)
Story Analysis
Overall narrative architecture spanning five seasons of exploration, warfare, and political evolution in the Pegasus Galaxy.