Vezetéknév kanjival: 斎賀
Keresztnév kanjival: みつき
Születésnap: 1973.06.12
Szülőváros: Japán, Saitama
Vércsoport: AB
Hobbi: olvasás,  énekelés,  teniszezés
Oldal: M's KINGDOM (Mitsuki Saiga Official Website)

           Mitsuki Saiga @ Ken Production

Blog: http://blog.animate.tv/saiga/

Nem anime szerepei:

Dorin in ".hack//MUTATION" (VG) (Japanese)

Elk in ".hack//Infection" (VG) (Japanese)

Elk in ".hack//Mutation" (VG) (Japanese)

Elk in ".hack//Outbreak" (VG) (Japanese)

Elk in ".hack//Quarantine" (VG) (Japanese)

Endou Kensaku in "BareSuta Second" (Drama CD) (Japanese)

Endou Kensaku in "BareSuta Third" (Drama CD) (Japanese)

Endrance in ".hack//G.U." (VG) (Japanese)

Faize Sheifa Beleth in "Star Ocean 4: The Last Hope" (VG) (Japanese)

Four Socius in "Mobile Suit Gundam Seed Destiny: Generation of CE" (VG) (Japanese)

Igraine Burnett in "Nishi no Yoki Majo - Astraea Testament" (drama CD) (Japanese)

Johannes in "Luminous Arc" (VG) (Japanese)

Killfith in "Summon Night Craft Sword Story - Hajimari no Ishi" (VG) (Japanese)

Lukius Bridges in "Tales of the Tempest" (VG) (Japanese)

Satoshi Honjou in "Higurashi no Naku Koro ni" (Drama CD)

Tatsumi in "Ar Tonelico III" (VG) (Japanese)

Teito Klein in "07-Ghost - 神様に届く恋文" (Drama CD) (Japanese)

Tooru Ominaeshi in "Shiritsu Sairyou Koukou Chounouryokubu" (drama CD) (Japanese)

Tsukasa in ".hack//Mutation" (VG) (Japanese)

Tsukasa in ".hack//Outbreak" (VG) (Japanese)

Yoshiki Kitazawa in "Gravitation" (drama cd) (Japanese)

Yoshinori (Yuki) Ikeda in "Yubisaki Milk Tea" (Drama CD) (Japanese)

Yumeji Kurokouichi in "Samurai Spirits Zero / Samurai Shodown V" (VG)

Szerepei nem seiyuu-ként:

Bakegyamon (TV) : Theme Song Performance (ED2/ED4)
Nurse Witch Komugi (special) : Theme Song Performance ("Reverse")

Szerepei:

Amon: The Apocalypse of Devilman (OAV) as Saikojenii
Aoyama Gōshō Tanpen-shū (OAV) as Announcer (ep 2); Computer (ep 3); Misako Abe (ep 1)
Aquarian Age - Sign for Evolution (TV) as Arayashiki West
Aquarion (OAV) as Scorpios
Armitage: Dual-Matrix (movie) as Julian
Ashita no Nadja (TV) as Francis Harcourt
Azumanga Web Daioh (ONA) as Kagura
Bakegyamon (TV) as Toshio Saegusa
Banner of the Stars (TV) as Sobaash
Banner of the Stars II (TV) as Sobaash
Banner of the Stars III (OAV) as Sobashu
Beyblade: Metal Fusion (TV) as Chi-Yun Li
Black Cat (TV) as Grin (ep 15); Lin Xiao Li
Bleach (TV) as Zabimaru (Zanpakuto saga)
Case Closed (TV) as Beautiful woman (ep 125); Day shift worker (ep 140); Nurse (ep 115); Shopkeeper (ep 129)
Case Closed: Captured in Her Eyes (movie) as Nurse A
Case Closed: The Phantom of Baker Street (movie) as Seiichiro Kikukawa
Chiisana Kyojin Microman (TV) as Izam
Cluster Edge (TV) as Besubia Valentino
Cowboy Bebop (TV) as Computer Voice; Housewife; Mascot
Crest of the Stars (TV) as Clyuno voice; holographic broadcaster; Samune
Cyborg 009 The Cyborg Soldier (TV) as Phil (eps 39-42)
D.Gray-man (TV) as Debitto
Darker than BLACK (TV) as Eileen (eps 17-18)
Darker Than Black: Ryūsei no Gemini (TV) as Mina Hazuki
Deltora Quest (TV) as Dain
Denpa teki na Kanojo (OAV) as Madoka Endō (ep 2)
Devil Lady (TV) as bed store saleswomam; model 2; Sanae; woman A
E's Otherwise (TV) as Bado
Emma: A Victorian Romance Second Act (TV) as Adell
Fafner (TV) as Mamoru Kodate
Fullmetal Alchemist (TV) as Maria Ross
Fullmetal Alchemist: Chibi Party (OAV) as Maria Ross
Fullmetal Alchemist: The Movie - Conqueror of Shamballa as Maria Ross
Genshiken (OAV) as Makoto Kohsaka
Genshiken (TV) as Makoto Kohsaka
Genshiken 2 (TV) as Makoto Kohsaka
Getbackers (TV) as Makubex
Getsumen To Heiki Mina (TV) as Kanchi Hazemi
Ghost Hound (TV) as Kei Yakushi; Sui Okori
Ghost Stories (TV) as Okabe-sensei (ep 4)
Gilgamesh (TV) as Countess
Great Teacher Onizuka (TV) as Female Student (ep 21)
Gundam Evolve (OAV) as Female Secret Agent (Evolve 4)
Gurren Lagann (TV) as Rossiu
.Hack//G.U. Returner (OAV) as Endrance
.Hack//GIFT (OAV) as Elk; Tsukasa
.Hack//Roots (TV) as Yuuta/Kashimiya
.Hack//SIGN (TV) as Tsukasa
.Hack//Unison (OAV) as Elk; Tsukasa
Hatenkō Yugi (TV) as Circus Chairwoman (ep 3)
Hellsing Ultimate (OAV) as Heinkel Wolfe
I'll/CKBC (OAV) as Kanemoto Koji
Ichigo 100% (OAV) as Child (ep 1); Kurokawa-sensei (ep 4)
Ichigo 100% (TV) as Junpei Manaka (as child; eps 5-6); Kurokawa-sensei (eps 7-14, 19-20)
Inuyasha (TV) as Shintaro
Inuyasha the Movie 4: Fire on the Mystic Island as Kujaku
Itazura na Kiss (TV) as Kikyou Motoki
Jing: King of Bandits (TV) as Jing
Kai Doh Maru (OAV) as Kintoki Sakatano
Kasumin (TV) as Kirino Kirihiko; Mashiro
King of Bandit Jing in Seventh Heaven (OAV) as Jing
Koutetsu Sangokushi (TV) as Child (ep 1); Kouseki Ryoutou
Kuroshitsuji (TV) as Edward V (ep 16)
Kyo kara Maoh! (TV) as Rufus Bielefeld (ep 68); Wolfram
Kyo kara Maoh! 3rd Series (TV) as Wolfram
Kyo kara Maoh! R (OAV) as Wolfram
(The) Law of Ueki (TV) as Robert Haydn
Lost Chapter of the Stars - Birth (special) as Computer Voice
Loveless (TV) as Natsuo
Major (TV) as Takafumi; Takeshi Saotome (young)
MÄR (TV) as Phantom; Tom
Maria-sama ga Miteru ~Haru~ (TV) as Kei Katou (ep 12)
MazinKaiser (OAV) as Jun Honoo
Mazinkaiser: Shitou! Ankoku Daishogun (OAV) as Jun
MegaMan NT Warrior (TV) as Enzan Ijuuin
Mobile Suit Gundam 00 Second Season (TV) as Revive Revival
Monochrome Factor (TV) as Haruka Kujō
Mushi-Uta (TV) as Homeroom teacher
My-HiME (TV) as Chie Harada
My-Otome (TV) as Chie Hallard
My-Otome Zwei (OAV) as Chie Hallard
Nabari no Ō (TV) as Yoite
Naisho no Tsubomi (OAV) as Yō Saegusa
Nishi no Yoki Majo - Astraea Testament (TV) as Igraine Burnett
Nurse Witch Komugi (OAV) as Kyousuke Date
Nurse Witch Komugi (special) as Kyousuke Date
Nurse Witch Komugi-Chan Magikarte Z (OAV) as Kyousuke Date
Onmyou Taisenki (TV) as Yamase (ep 1)
Ouran High School Host Club (TV) as Benio Amakusa (eps 9, 19)
Peacemaker (TV) as Kichisaburo; Souji Okita
Petite Cossette (OAV) as Eiri Kurahashi
Pita Ten (TV) as Takashi Ayanokouji / Ten-chan
Pokémon (TV) as Isami (ep 201)
Pokemon Advance (TV) as Shuu
(Le) Portrait de Petit Cossette (special) as Eiri Kurahashi
Prince Mackaroo (TV) as Jun Koshifubuki
Project Blue Earth SOS (TV) as Penny Carter
R.O.D -The TV- as Junior
Rockman.EXE Axess (TV) as Ijuuin Enzan
Rockman.EXE Beast (TV) as Enzan Ijuuin
Rockman.EXE Beast+ (TV) as Enzan Ijuuin
Rockman.EXE Stream (TV) as Enzan Ijuuin
Rockman.EXE: Hikari to Yami no Program (movie) as Enzan Ijuuin
Saki (TV) as Sumire Hirose; Sumiyo Fukabori
Sasami: Magical Girls Club (TV) as Amitav
SD Gundam Force (TV) as Zero The Winged Knight
Sekirei (TV) as Haihane (No.104)
Seraphim Call (TV) as frog (ep 2); girl B (ep 9); store person (ep 4)
Shakugan no Shana Second (TV) as Johan ("Eien no Koibito")
Shaman King (TV) as Amidamaru (young; ep 11)
Shikabane Hime: Aka (TV) as Shinze Kamiu (ep 10)
Shin chan (TV) as Watogaya
Shugo Chara! (TV) as Kairi Sanjou
Shugo Chara!! Doki— (TV) as Kairi Sanjō
Slayers Gorgeous (movie) as Rick
Sora no Manimani (TV) as Teruko Sakai
(The) SoulTaker (TV) as Kyosuke Date
Space Symphony Maetel ~Ginga Tetsudō 999 Gaiden~ (TV) as Nasuka
Stellvia (TV) as Masaru Odawara
Tales of Agriculture (TV) as Kei Yūki; Woman (ep 7)
Tengen Toppa Gurren Lagann: Guren-hen (movie) as Rossiu
Tengen Toppa Gurren Lagann: Ragan-hen (movie) as Rossiu
Tokimeki Memorial ~Only Love~ (TV) as Chairman's secretary
Toward the Terra (TV) as Jomy Mark Shin
Triangle Heart ~Sweet Songs Forever~ (OAV) as Misato Mikami (Miyuki's mother)
Tsubasa Tokyo Revelations (OAV) as Kakyou
Viewtiful Joe (TV) as Jim (ep 19)
Wan Wan Serebu Soreyuke! Tetsunoshin (TV) as Tooru (ep 30)
Zoids (TV) as Raven
Zoids/ZERO (TV) as Jamie Hemeros

Szerepei Mitsuki Saiga-ként

07-Ghost (TV) as Teito Klein