Character
|
Possible actor
|
Info
|
Time
|
Appearances
|
MAIN CHARACTERS
|
Brig. Gen. Hank Landry
|
Beau Bridges
|
SGC commander
|
2005-2010
|
1x01 – 2x10
|
Brig. Gen. Samantha Carter
|
Amanda Tapping
|
SGC commander
|
2011-2016
|
Recurring: 1x01-2x10
Main: 2x11 – Season 7
Recurring: Season 7 - ????
|
Brig. Gen. Mihkel Roos
|
|
SGC commander
|
2016-????
|
Recurring: unknown
Main: season 7-????
|
Dr. Amanda Browden
|
Kristin Kreuk
|
SGC chief scientist
|
2009-????
|
|
Carl Marrow
|
|
Amanda Browden’s Assistant
SG-1 lead scientist
|
2009-????
|
|
Dr. Carolyn Lam
|
Lexa Doig
|
SGC Chief Medical Officer
|
2005-????
|
|
Cameron Mitchell
|
Ben Browden
|
SG-1 commanding officer
|
2005-2011
|
Main: S01 – S02
Recurring: Since S03
|
USS General Hammond commander
|
2011-????
|
Lt. Col./ Col. Jennifer Hailey
|
Elizabeth Rosen
|
SG-1 second-in-command
|
2009-2011
|
|
SG-1 commanding officer
|
2011-????
|
Lt. Satterfield
|
Grace Park
|
SG-1 second-in-command
|
2011-????
|
Recurring: S01 – S02
Main: Since S03
|
RECURRING CHARACTERS
|
Lt. Gen/ Gen. Jack O’Neil
|
Richard Dean Anderson
|
Homeworld Command commander
|
2005-????
|
|
Chief Master Sergeant Walter Harriman
|
Gary Jones
|
Homeworld Command
|
2009-????
|
|
Jay Felger
|
Patrick McKenna
|
SGC scientist
|
|
|
Chloe Angstrom
|
Joceline Loewen
|
SGC scientist
|
|
|
Major Paul Davis
|
Colin Cunningham
|
Homeworld Command
|
|
|
Dr. Daniel Jackson
|
Michael Shanks
|
Homeworld Command
|
2009-2011
|
|
Pegasus Base chief scientist
|
2011-????
|
|
Vala Mal Doran
|
Claudia Black
|
Unknown
|
|
|
Dr. Bill Lee
|
Bill Dow
|
Homeworld Command
|
|
|
Richard Woolsey
|
Robert Picardo
|
Atlantis commander
|
2007-2011
|
|
Pegasus base commander
|
2011-????
|
|
Lt. Col/ Col./ Brig. Gen. John Sheppard
|
Joe Flanigan
|
AR-1 team leader; Atlantis second-in-command
|
2004-2011
|
|
Atlantis commander
|
2011-????
|
|
Major/ Lt. Col/ Col. Evan Lorne
|
Kavan Smith
|
AR-2 team leader; Atlantis third-in-command
|
2005-2011
|
|
AR-1 team leader; Atlantis second-in-command
|
2011-????
|
|
Teyla Emmagan
|
Rachel Luttrell
|
AR-1 second-in-command
|
|
|
Ronon Dex
|
Jason Momoa
|
AR-1 team member
|
|
|
Dr. Jennifer Keller
|
Jewel Staite
|
Atlantis chief medical officer
|
2007-2012
|
|
Dr. Radek Zelenka
|
David Nykl
|
Atlantis scientist
|
|
|
Pegasus base chief scientist
|
2011-????
|
|
Dr. Rodney McKay
|
David Hewlett
|
Atlantis chief scientist
|
2004-2012
|
|
Amelia Banks
|
Sharon Taylor
|
Atlantis control room technician
|
|
|
Lt. Laura Cadman
|
Jaime Rayme Newman
|
Atlantis explosives expert (Carson Beckett’s love interest)
|
|
|
Sgt. Chuck
|
Chuck Campbell
|
Atlantis control room technician
|
|
|
Crew from USS Daedalus
|
Various
|
Various
|
|
|
Crew from USS Odyssey
|
Various
|
Various
|
|
|
Crew from USS Apollo
|
Various
|
Various
|
|
|
Crew from Sun Tzu
|
Various
|
Various
|
|
|
Crew from USS General Hammond
|
Various
|
Various
|
|
|
Crew from USS George Washington
|
Various
|
Various
|
|
|
Crew from USS Abraham Lincoln
|
Various
|
Various
|
|
|
Crew from HMS Elizabeth
|
Various
|
Various
|
|
|
Crew from USS Axiom
|
Various
|
Various
|
|
|
Crew from Baltic
|
Various
|
Various
|
|
|
Crew from other unknown ships
|
Various
|
Various
|
|
|
Henry Hayes
|
William Devane
|
President of United States
|
2005-2013
|
|
Andromeda XVI
|
Kelly Vitz or Danielle Panabaker
|
Princess of Andromeda Galaxy
|
????-2025
|
|
Queen of Andromeda Galaxy
|
2025-
|
Jaak „Jack Frost“ Lumi
|
|
IOA liason of Intergalactic Relationships
|
2009-2011
|
|
Member of Andromeda Galaxy Secret Service
|
2011-????
|
Queen consort of Andromeda Galaxy
|
2025-????
|
Galactus II
|
|
Emperor of Andromeda Galaxy
|
????-2025
|
|
Lt. Col/ Col. Hannes Martinson
|
|
Galactic Special Forces Alpha team leader
|
|
|
Teal’c
|
Christopher Judge
|
Leader of Free Jaffa Nation
|
|
|
The Nox
|
Various
|
Various
|
|
|
Rya’c
|
Neil Denis
|
|
|
|
Bra’tac
|
Tony Amendola
|
Died at end of the 1st season
|
|
Only 1st season
|
Cassandra Frasier
|
Colleen Rennison
|
Homeworld Command (Janet Frasier’s adoptive Daughter)
|
|
|
Survived Tok’ra
|
Various
|
Various
|
|
|
Silvester Siler
|
Dan Shea
|
SGC technician
|
????-2010
|
|
US secretary of defense
|
Himself
|
United States secretary of defense
|
|
|
US secretary of Air Force
|
Himself
|
United States secretary of Air Force
|
|
|
US Joint Chiefs of Staff
|
Themselves
|
United States JCS
|
|
|
People from Edora
|
Various
|
Various
|
|
|
Wormhole X-Treme actors and crew
|
Various
|
Various
|
|
|
Capt. Carl Grogan
|
David Kopp
|
Galactic Special Forces Alpha team member
|
|
|
Jonas Quinn
|
Corin Nemec
|
|
|
|
Julia Donovan
|
Kendall Cross
|
Reporter
|
|
|
Malcolm Barrett
|
Peter Flemming
|
NID agent
|
|
|
1st Lt. Jonathan O’Neil
|
Michael Welch
|
Galactic Special Forces Alpha team member
|
|
|
Ishta
|
Jolene Blalock
|
Free Jaffa Nation (Teal’c’s love interest)
|
|
|
Kianna Cyr
|
Emily Holmes
|
(Jonas Quinn’s love interest)
|
|
|
Kar’yn
|
Mercedes de la Zerde
|
Wife of Rya’c
|
|
|
Norina Pero
|
Brandy Ledford
|
Assistant of Rodney McKay (only survived Taranian)
|
|
|
Jeannie Miller
|
Kate Hewlett
|
Civillian (sister of Rodney McKay)
|
|
|
Carson Beckett (clone)
|
Paul McGillon
|
CIA agent
|
|
|
Furlings
|
Various
|
Various
|
|
|
Lucian Alliance
|
Various
|
Various
|
|
|
FBI
|
Unknown
|
Various
|
|
|
CIA
|
Unknown
|
Various
|
|
|
NSA
|
Unknown
|
Various
|
|
|
Leroy Jethro Gibbs
|
Mark Harmon
|
Leader NCIS Major Case Response Team
|
????-2011
|
2+ appearances in each season
|
Anthony DiNozzo
|
Michael Weatherly
|
NCIS Senior Field Agent
|
2001-2011
|
Leader of NCIS Major Case Response Team
|
2011-????
|
Ziva David
|
Cote de Ablo
|
NCIS special agent
|
|
Abby Sciuto
|
Pauley Perette
|
NCIS forensic expert
|
|
Timothy McGee
|
Sean Murray
|
NCIS special agent
|
|
Donald „Ducky“ Mallard
|
David McCallum
|
NCIS medical examiner
|
|
Jimmy Palmer
|
Brian Detzen
|
NCIS medical assistant
|
|
Leon Vance
|
Rocky Carroll
|
NCIS director
|
|
Ronald Jones
|
|
former Marine in Atlantis
|
2006-2011
|
NCIS agent
|
2012-????
|
|
Goa’uld
|
Various
|
various
|
|
|
Damions
|
Various
|
New powerful enemy
|
|
|
Destiny Expedition
|
Various
|
|
|
|
Other SG-1 alive recurring characters
|
Various
|
Various
|
|
|
GUEST CHARACTERS
|
Carl Strom
|
Carlo Rota
|
IOA head
|
|
|
Russell Chapman
|
Andy Maton
|
IOA British embassador
|
|
|
Shen Xiaoyi
|
Tamlyn Tomita
|
IOA Chinese embassador
|
|
|
Jean LaPierre
|
Mark Oliver
|
IOA French embassador
|
|
|
James Coolidge
|
Rob LaBelle
|
IOA United States embassador
|
|
|
|
|
IOA Russian embassador
|
|
|
Carmen Milos
|
Vanessa Hudgens
|
CEO of Baltic Media Network
|
2011-2030
|
|
Eva Rivas
|
Herself
|
Armenian singer (Hannes’ love interest)
|
|
|
Robert Makepeace
|
Steven Makaj
|
|
|
|
Francine Michaels
|
Venus Terzo
|
Medical officer in Milky Way Alpha base
|
|
|
Simon Coombs
|
John Billingsley
|
Scientist in Area 51
|
|
|
Neith
|
Kathleen Duborg
|
|
|
|
Nesa
|
Kristen Prout
|
|
|
|
Kaleb Miller
|
Brendan Gall
|
Husband of Jeannie Miller
|
|
|
Madison Miller
|
Madison Bell
|
Daughter of Jeannie Miller
|
|
|
Nancy Sheppard
|
Kari Wuhrer
|
Agent in DHS. Ex-Wife of John Sheppard
|
|
|
Lt. Col./ Col./ Brig. Gen. Jaak Bauer
|
Martin Veinmann
|
Estonian Air Force
|
|
|
Commander of Estonian Air Force
|
2020-2029
|
|
Janet Frasier
|
Teryl Rothery
|
Former SGC chief medical officer (appears in alternate realitys)
|
|
|
Jacob Carter/ Selmak
|
Carmen Argenziano
|
Tok’ra (appears in only alternate reality)
|
|
|