Japanese Zack was also voiced by the guy who voices Jude in the Japanese version of Tales of Xillia/Tales of Xillia 2 (Tsubasa Yonaga).
He also voiced Kensuke Kurosaki in Corpse Party: Book of Shadows if anyone other than Noi and me have played that in this thread.
Let's see...
Toki:
Kira Buckland: MaMop (Dust)
Kana Hanazawa: Sophie (Tales of Graces), Marie (Persona 4: Golden), Deuce (Final Fantasy Type-0)
Towa:
Eri Kitamura: Juri Han (PXZ, SF4, SFxT), Tatsunoko vs Capcom (Gan-chan aka Yatterman No. 1), Yuka Mochida (Corpse Party), Uni (neptunia mk2/neptunia victory)
Cristina Valenzuela: Noel Vermillion (BlazBlue), Sigroon (Ys Seven), Trails in the Sky (Kloe), Lian Shi (Dynasty Warriors 7/8)
Enda:
Aoi Yuuki: Platinum the Trinity (BlazBlue), Iris (Pokemon Best Wishes)
Stephanie Sheh: She's in effing EVERYTHING. I mean, uh... Eureka (Eureka Seven), Cereza (Bayonetta), Hinata Hyuga (Naruto), Rebecca Chambers (Resident Evil 5 and on), Natalia (Tales of the Abyss), Julia Chang (Tekken 6/TTT2), Estelle (Trails in the Sky), Silmeria (VP2), Tomoe Tachibana (Trauma Team)
Reijo:
Yukana Nogami: Miho Nosaka (YuGiOh), Testarossa (Full Metal Panic), Tear Grants (Tales of the Abyss)
Her English VA is unknown.
Wedi:
Mamiko Noto: Fuuka (Persona 3), Merlina (Sonic and the Black Knight), Manamia (The Last Story), Ceres (Pandora's Tower), Jeane (No More Heroes: Heroes' Paradise), Luna (Zero Escape: Virtue's Last Reward)
Christine Marie Cabanos: Nepgear (Neptunia mk2/Neptunia Victory), Squid Girl (Squid Girl), Filia (Skullgirls)
Ricardo was Tomokazu Sugita in Japanese...