All 82 actors in both Stargate Atlantis and The Outer Limits
82 actors have appeared in both Stargate Atlantis and The Outer Limits, across 254 episodes. The most-credited is Kavan Smith, Major Lorne in Stargate Atlantis and Allan, Dominic Langton, Harrison Taylor in The Outer Limits.
| Actor | In Stargate Atlantis | In The Outer Limits | Eps | Eps |
|---|---|---|---|---|
| Kavan Smith | Major Lorne | Allan, Dominic Langton, Harrison Taylor | 29 | 5 |
| Gary Jones | Sgt. Walter Harriman | Duncan, TV Host | 12 | 2 |
| Bill Dow | Dr. Bill Lee | Doc Fink, Dr. Keeler | 7 | 2 |
| Amanda Tapping | Lt. Colonel Samantha Carter | Cmdr. Kate Girard | 5 | 1 |
| Torri Higginson | Dr. Elizabeth Weir, Old Weir | Alyssa Selwyn | 5 | 1 |
| Garwin Sanford | Simon Wallis | Dom Pardo, Senator Meade | 3 | 2 |
| Michael Shanks | Dr. Daniel Jackson | Dr. Will Olsten, Melburn Ross | 3 | 2 |
| David Ogden Stiers | Oberoth | Reverend Dr. Thomas Tilford | 3 | 1 |
| Robert Patrick | Colonel Marshall Sumner | Major John Skokes | 2 | 2 |
| Beau Bridges | Major General Hank Landry | Dr. Simon Kress | 5 | 2 |
| Claire Rankin | Dr. Kate Heightmeyer | Arial, Kyra | 5 | 2 |
| Robert Picardo | Richard Woolsey | Emmet Harley | 6 | 1 |
| Dean Marshall | Sgt. Bates | Corporal Hanford, Mason | 10 | 2 |
| Don S. Davis | Lieutenant General George S. Hammond | Detective Wilson, General Callahan | 1 | 2 |
| Kirby Morrow | Daedelus Tech, Captain Dave Kleinman | Kirby | 8 | 1 |
| Nicole de Boer | Dr. Alison Porter | Cadet 2nd Class Bree Tristan, Pri, Rachel Sanders | 1 | 2 |
| Linda Ko | Nurse Marie, Marie | Female Student, Hanna Sheafer | 8 | 2 |
| Brandy Ledford | Narina | Dr. Elana Chomsky | 1 | 1 |
| Christina Cox | Major Anne Teldy | Deb Clement | 1 | 1 |
| Kevin McNulty | Chancellor Lycus | Commander, Dr. Leiberman, Everett Costello | 1 | 3 |
| Laura Harris | Nola | Sarah Hayward | 1 | 1 |
| Richard Ian Cox | Dr. Brendan Gaul | Mark McPhee | 1 | 1 |
| Boyan Vukelic | Sgt. Stackhouse | Roan | 6 | 1 |
| Brenda James | Dr. Katie Brown | Marcy Newhall | 4 | 1 |
| David McNally | Avrid | Pete, Roy Chance, Shak-El | 1 | 4 |
| Robert Moloney | Koracen | Agent Pinter, Beauregard Larouche, Lab Technician | 1 | 4 |
| Alan Scarfe | Chancellor Druhin | Dr. Royce, Montgomery Bennett | 1 | 2 |
| John Innes | Zaddik | Priest, Teacher | 1 | 2 |
| Paul Magel | Dr. Abrams | Caleb, Navy Frogman | 1 | 2 |
| Shane Meier | Neleus | Mark, Young Kevin | 1 | 2 |
| Matthew Walker | Moros | Terry Walsh, Trevor Hunter, Winston | 1 | 3 |
| Mark Gibbon | Constable | Bailiff, Male Vorak, Overseer #2 | 1 | 4 |
| Alan C. Peterson | Magistrate | Motel Manager | 1 | 1 |
| Apollonia Vanova | Wraith Queen | Female Prisoner | 1 | 1 |
| Brent Stait | Michael Kenmore | Vince Baxter, Wayne | 1 | 2 |
| Christina Jastrzembska | Dr. Weir's Mother | Karen Miller, Mary Cummings, Sonia | 1 | 3 |
| Jay Brazeau | Lord Protector | Bernard Katz | 1 | 1 |
| Kenneth Welsh | Jamus | Dr. Vasquez | 1 | 1 |
| Sean Campbell | Solen Sincha | Police Officer | 2 | 1 |
| William MacDonald | Captain Hugh Griffin | Gary Rosman, Mugger | 1 | 2 |
| David Neale | Genii Soldier, Ancient Pilot | Commander Richard Gordon, Evan Branch, Security Guard | 3 | 3 |
| Julie Patzwald | Pelias | Cammi, Tara Vanatter | 1 | 2 |
| Kerry Sandomirsky | Asuran Counselor 2 | Kristen O'Keefe, Mary | 1 | 2 |
| Peter Flemming | Agent Malcolm Barrett | Tom Young | 2 | 1 |
| Terence Kelly | Orin | General, Oscar Reynolds | 1 | 2 |
| Yee Jee Tso | Technician | Hong | 2 | 1 |
| Alan Ruck | Dr. Fletcher | Howard Sharp | 1 | 1 |
| Allison Hossack | Perna | Erin Whitley | 1 | 1 |
| Brenda McDonald | Charin | Mrs. Eikenberry, Old Arthritic Woman | 2 | 2 |
| David Lovgren | Kelore | Eric Tanner | 1 | 1 |
| Dean Wray | Haemon | Tito | 1 | 1 |
| Jonathon Young | Dr. Parrish | Billy, Young Man | 2 | 2 |
| Matthew Harrison | Scientist #1 | Orderly | 1 | 1 |
| Megan Leitch | Captain Helia | Barb | 1 | 1 |
| Sarah Deakins | Renni | Megan | 1 | 1 |
| Sean Millington | Marine | Delta #1 Leader, Guard | 2 | 2 |
| Stephen Dimopoulos | Goran | Horace Vaughn | 1 | 1 |
| Michael Cram | Silas | Father, McKenna | 1 | 2 |
| Paul Jarrett | Captain Hendricks | Dr. Franklin Dreiden, Dr. Mauser | 1 | 2 |
| Christian Bocher | Torrell | Matthew Logan | 1 | 1 |
| David Bloom | Eldred | Expert | 1 | 1 |
| Leanne Adachi | Lia | Captain Alice Wheeler | 1 | 1 |
| Nels Lennarson | Holland | Deputy | 1 | 1 |
| Woody Jeffreys | Bouncer | Beck Sanders, Male Model | 2 | 2 |
| Linden Banks | Dovelock | Dr. Thomas Somerset, Hal Taylor | 1 | 2 |
| Robert Wolfgang Weiss | Scientist | Guard, Overseer #1 | 1 | 2 |
| BJ Harrison | Female Merchant | Administrator | 1 | 1 |
| Brendan Beiser | Tavius | Ben Powell | 1 | 1 |
| Johnny Cuthbert | Fortnum | Lieutenant | 1 | 1 |
| Ron Selmour | Jannick | Colonel Kikongo | 1 | 1 |
| Stephen E. Miller | Dr. Richard Poole | Lt. Colonel Hickox | 1 | 1 |
| Tracy Waterhouse | Commander Sobel | Debra | 1 | 1 |
| D. Harlan Cutshall | Marine | Captain, Guard | 1 | 2 |
| Byron Lucas | Replicator | Augie Berger | 1 | 1 |
| Colin Cunningham | Major Paul Davis | Professor George Ernst | 1 | 1 |
| Karin Konoval | Second in Command | Sarah | 1 | 1 |
| Ken Kirzinger | Bartender | Moloch | 1 | 1 |
| Kwesi Ameyaw | Tactical Officer | Policeman #1 | 1 | 1 |
| Dan Shea | Sgt. Sylvester Siler | Cop | 1 | 1 |
| Doron Bell | SF | Cory Izacks | 1 | 1 |
| Terry Howson | Kell | Alien | 1 | 1 |
| David Avalon | Hotel Manager | Polk | 1 | 1 |
← Stargate Atlantis × The Outer Limits
Cast data from TVmaze, licensed CC BY-SA 4.0.