I found the credits using some image editing tools with the game files.
Producers
Shinjiro Takata
Hitoshi Yamagami
Directors
Akiko Kotoh
Kaori Ando
Design
Takayoshi Kawase
Kaori Okita
Yuki Terada
Kohei Onishi
Fumitaka Yano
Mie Okumura
Yoshinori Asakura
Akihiko Morishige
Mayumi Iwata
Masakazu Dohi
Hiroki Fujioka
Yuka Nakai
Programming
Tomohiko Matsuda
Masayoshi Isomura
Masanori Kinoshita
Voice
ごとう まい
Models
いいとよ まりえ
いけだ えらいざ
まこ はりす
ゆうま めいや
Sound
Toshiyuki Sudo
Takahiko Fujita
Sound Supervisor
Kenji Yamamoto
Technical Support
Shingo Okamoto
Kotaro Hiromatsu
Debug
Yumiko Miyamoto
Daisuke Fujita
Digital Hearts
Mario Club
Development Support
Yoshiaki Onishi
Artwork
Yasuo Inoue
Hirokazu Matsui
Managers
Hitoshi Sadakata
Mika Matsuoka
Development Group Manager
Shinya Takahashi
General Manager
Naoto Hiraoka
Executive Producers
Yoshimi Ogawa
Satoru Iwata
Nintendo and Index are the authors of this software for the purpose of copyright. All rights reserved.
©2011-2012 Nintendo/Index
Developed by ATLUS.
NOE Localisation Management
Erkan Kasap
William Romick
NOE Localisation Producer
Barbara Wallace
Translation Coordination
Daniele Braglia
UK English Translation
Benjamin Roffey
Danielle Jorgenson
French Translation
Marie Suffert
Anthony Fouillen
German Translation
Gunnar Friedrich
Sebastian Brück
Italian Translation
Emanuele Fabbioni
Mirko Capocelli
Spanish Translation
Blanca Hueso Taulés
Miguel Sánchez Esteban
NOE Quality Assurance Coordination
J. Ignacio León López
Quality Assurance
UK English
Daniel McGoldrick
Katie Julia Joyce
Dominic Feargrieve
French
Stéphane Zussy
Arnaud Lhari
Cédric Samson
German
Michael Frisch
Ivana Zagorscak
Lutz Ohl
Italian
Margherita Sorrentino
Alessandra Buggio
Emanuele Tonetti
Spanish
Rafael Martínez Jausoro
Iván Sánchez Jordá
Diego Rosado
Electronic Manual Support
Adrian Michalski
Zuber Anzaghe
Estevan Sobral-Bauch
Voice
UK English
Lizzie Stables
French
Francine Baudelot
German
Sophia Längert
Italian
Emanuela Pacotto
Spanish
Paula Ribó
Casting and Voice Localisation Management (Side UK)
Olivier Deslandes
Voice Director
UK English
Olivier Deslandes
French
Emmanuel Bonami
German
Michael Hulsmann
Italian
Alessandro Ricci
Spanish
Guillermo Reinlein