| Joe Flanigan | Lt. Colonel John Sheppard |
| Torri Higginson | Dr. Elizabeth Weir |
| Rachel Luttrell | Teyla Emmagan |
| Jason Momoa | Ronon Dex |
| Paul McGillion | Dr. Carson Beckett |
| David Hewlett | Dr. Rodney McKay |
| Richard Dean Anderson | Major General Jack O'Neill |
| Robert Picardo | Richard Woolsey |
| Ryan Robbins | Ladon Radim |
| Megan Leitch | Captain Helia |
| David Nykl | Dr. Radek Zelenka |
| Bill Dow | Dr. Bill Lee |
| Gary Jones | Chief Mst Sgt. Walter Harriman |
| David MacInnis | Talus |
| Panou | Cetus |
| Mitch Pileggi | Colonel Steven Caldwell |
| Beau Bridges | Major General Hank Landry |
| Kirby Morrow | Captain Dave Kleinman |
| Chuck Campbell | Chuck the Technician |
| Andrew Moxham | Wallace |
| Elias Toufexis | Replicator |
| James Chutter | Babbis |
| David Quinlan | Ancient |
| Dan Shea | Sgt. Siler |