Stargate: Atlantis

Lt. Colonel John Sheppard (87 episodes)

Major John Sheppard

Detective John Sheppard

Teyla Emmagan (87 episodes)

Dr. Rodney McKay (87 episodes)

Dr. Rod McKay

Ronon Dex (69 episodes)

Dr. Elizabeth Weir (61 episodes)

Dr. Carson Beckett (57 episodes)

Dr. Radek Zelenka (51 episodes)

Chuck the Technician (38 episodes)

Dr. Jennifer Keller (27 episodes)

Ellia

Major Evan Lorne (26 episodes)

Richard Woolsey (24 episodes)

Lt. Aiden Ford (23 episodes)

Colonel Steven Caldwell (21 episodes)

Todd the Wraith (20 episodes)

Halling

Male Wraith

Colonel Samantha Carter (17 episodes)

Lt. Colonel Samantha Carter

Lieutenant Colonel Samantha Carter

Wraith (15 episodes)

Male Wraith

Wraith-Human Victim

Wraith Scientist

Amelia Banks (11 episodes)

Replicator Technician

Sgt. Bates (9 episodes)

Agent Bates

Chief Mst Sgt. Walter Harriman (9 episodes)

Sgt. Walter Harriman

Michael Kenmore (8 episodes)

Marie (8 episodes)

Med-tech

Wraith Queen (8 episodes)

Captain Dave Kleinman (8 episodes)

Dr. Peter Grodin (7 episodes)

Hermiod (7 episodes)

Commander Acastus Kolya (6 episodes)

Colonel Abe Ellis (6 episodes)

Kenny Wraith (6 episodes)

Wraith

Second in Comman Wraith

Major Kevin Marks (6 episodes)

Major Marks

Lt. Reed (6 episodes)

Wraith Warrior

Big Wraith

Super Soldier

Male Wraith

Wraith (6 episodes)

Merrick

Male Wraith

Dr. Kate Heightmeyer (5 episodes)

Ladon Radim (5 episodes)

Dr. Bill Lee (5 episodes)

Technician (5 episodes)

Sgt. Stackhouse (5 episodes)

Bridge Tech Wraith (5 episodes)

Bridge Officer Wraith

Billy Wraith

Male Wraith

Babbis

Oberoth (5 episodes)

Dr. Kavanagh (4 episodes)

Sora (4 episodes)

Major General Hank Landry (4 episodes)

Torren (4 episodes)

Captain Levine (4 episodes)

Airman

Sergeant

Marine Captain

Cowen (4 episodes)

Kanaan (4 episodes)

Taliban Guard

Captain Pat Meyers (4 episodes)

Todd the Wraith (4 episodes)

Male Wraith

Wraith Technician

Major General Jack O'Neill (3 episodes)

Brigadier General Jack O'Neill

Dr. Daniel Jackson (3 episodes)

Jeannie Miller (3 episodes)