Notes:

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Tracer: Emiri Katou
McCree: Jurota Kosugi
Genji: Yoshihisa Kawahara
Pharah: Romi Park
Reaper: Ryota Takeuchi
76: Toru Okawa (The Roy Mustang credit only applies to the 2003 anime; he was replaced in Brotherhood)
Winston: Atsushi Imaruoka (TSUKU NO KAGAKU WA SEKAI ICHI)
Junkrat: Hiroki Goto
Torbjörn: Binbin Takaoka
Widowmaker: Shizuka Ito
Lúcio: Kazuyuki Okitsu
Mercy: Sayaka Ohara
Symmetra: Hitomi Nabatame
D.Va: Risa Taneda
Reinhardt: Kenji Nomura
Roadhog: Naomi Kusumi
Zarya: Mitsuki Saiga
Hanzo: Shuhei Sakaguchi
Zenyatta: Manmosu "Mammoth" Nishio (New to the VA scene, hence the lack of credits)
Mei: Lynn/Rin (surname unknown)
Bastion: N/A