This is a list of all the voice actors in the English Version of Gundam SEED.
Chantal Strand: Lacus Clyne
Matt Hill: Kira Yamato
Samuel Vincent: Athrun Zala
Andrew Francis: Muruta Azrael
Anna Cummer: Miriallia Haw
Bill Switzer: Sai Argyle
Brad Swaile: Dearka Elsman
Brendan Van Wijk: Romero Pal
Brian Dobson: Martin DaCosta
Gabe Khouth: Nicol Amalfi
Keith Miller: Kuzzey Buskirk
Lisa Ann Beley: Murrue Ramius
Mark Oliver: Rau Le Creuset
Matt Smith: Jackie Tonomura
Michael Adamthwaite: Yzak Joule
Philip Pacaud: Arnold Neumann
Richard Cox: Tolle Koening
Sarah Johns: Natarle Badgiruel
Simon Hayama: Dalida Lolaha Chandra II
Tabitha St. Germain: Flay Allster
Ted Cole: Crot Buer
Trevor Devall: Mu La Flaga
Vanessa Morley: Cagalli Yula Athha
Adam Henderson: Ledonir Kisaka
Alison Matthews: Ezalia Joule, Myrna, Narrator
Andrew Kavadas: Patrick Zala
Andrew Toth: Orga Sabnak
Brian Drummond: Andy Waltfeld, Reverend Malchio
Fred Henderson: Hibiki
Jillian Michaels: Lacus (Singing Voice)
Jocelyne Loewen: Asagi Caldwell
John Novak: Uzumi Nara Athha
Jonathan Holmes: Marco Morassim
Lisa Ann Beley: Eileen Canaver
Michael Dobson: Captain Ades
Rebecca Shoicet: Mayura Labatt
Rebecca Shoichet: Caridad Yamato
Richard Cox: Shani Andras
Ron Halder: William Sutherland
Saffron Henderson: Aisha
Scott McNeil: Koopman
Sharon Alexander: Erica Simmons
Tabitha St. Germain: Birdy, Haro
Ted Cole: Yuri Amalfi
Tony Sampson: Miguel Aiman
Ward Perry: Kojiro Murdoch