Below is a list of all (known) development staff of MOTHER 3 N64.

• SHIGESATO ITOI (糸井 重里)

Creator/Scenario Writer

• SATORU IWATA (岩田 聡)

Producer/Gameplay Manager

• SHIGERU MIYAMOTO (宮本 茂)

Producer

• ATSUSHI KAKUTA (角田敦)

Director

• SHIGENOBU KASAI (葛西重忍) 

Sound Manager

• SHOGO SAKAI (酒井 省吾)

Composer

• TAKUTO KITSUTA (橘田拓人)

Composer/Sound Programmer

• AKIHIKO MIURA (三浦明彦)

CG Designer

• MASAYUKI MIURA (三浦昌幸 )

Script Editor

• MASAKAZU EBIHARA (海老原正和) 

“Window” Manager (UI)

• SEIJI OTOGURO (乙黒誠二) 

Development Tools

• ISAO TAKAHASHI (高橋功)

General Manager of Maps and Terrain

• SHIMEI TEI (鄭志明) 

Battle Designer

• YOSHIYA TANIGUCHI (谷口祥也) 

Player Controller Designer

• SATOSHI MITSUHARA (三津原敏) 

Main System Manager

• BENIMARU “ASHURA” ITOH (伊藤「アシュラ」紅丸)

Lead Art Director

• TOSHINAO AOKI (青木俊直)

Freelance Artist/Enemy Designer

• AKIHITO TODA (戸田昭吾)

Unspecified Role (Likely Assistant Scenario Writer)