About
Masaaki Osumi (大隅正秋) is a Japanese director, born on 26 November 1934 in Hyogo Prefecture. 大隅正秋 is his real name and earlier credit; he has also been credited as おおすみ正秋, for example as director of the 1993 TV special Lupin the 3rd: Voyage to Danger (ルパン三世 ルパン暗殺指令). In the late 1960s he joined anime production at Tokyo Movie (now TMS Entertainment), where he directed Moomin (ムーミン) and Lupin the 3rd Part I (ルパン三世 PART1, 1971–72); TMS credits him with direction (演出) of episodes 1–3 and 9. He went on to direct the live-action ケンちゃん TV drama series, the anime ラ・セーヌの星 and 子鹿物語, and the 1992 theatrical anime film 走れメロス.
Works in the Archive
Works currently linked in Orbital Memory, from earliest to latest.
Sources and Notes
References support the information above. Expand a source to read its scope, supported fields and access dates.
WOWOW Plus press release (PR TIMES), 2022-06-01 — おおすみ正秋氏プロフィール
Source Notes
Creator Classification, Biography in English, Biography in Spanish, Japanese Name
Accessed: 2026-11-01, 2026-11-03
TMS Entertainment — ルパン三世 ルパン暗殺指令 (1993), work page (監督：おおすみ正秋)
Source Notes
Biography in English, Biography in Spanish
Accessed: 2026-11-01
TMS Entertainment (global site) — LUPIN THE 3RD TVSP#05 "VOYAGE TO DANGER" (ルパン三世 ルパン暗殺指令), overseas-license title page
Source Notes
Biography in English, Biography in Spanish
Accessed: 2026-11-02
Discotek Media (US distributor) — Lupin the 3rd: Voyage to Danger Blu-ray/DVD (1993)
Source Notes
Biography in English, Biography in Spanish
Accessed: 2026-11-02
Directors Guild of Japan — おおすみ正秋, member directory
Source Notes
Biography in English, Biography in Spanish
Accessed: 2026-11-01
Discotek Media (US distributor) — Lupin the 3rd Part I Blu-ray
Source Notes
Biography in English, Biography in Spanish
Accessed: 2026-11-01
Directors Guild of Japan — Masaaki Osumi, member directory (English; romanized name and the English title 'Moomin')
Source Notes
Biography in English, Biography in Spanish, Display Name, Romanized Name
Accessed: 2026-11-03
TMS Entertainment — ルパン三世 PART1, work page (演出：大隅正秋 #1～3、9)
Source Notes
Biography in English, Biography in Spanish, Japanese Name
Accessed: 2026-11-03
Lupin the 3rd Part I (1971) · Episodes 1–3 and 9; episode direction listed by TMS
TMS Entertainment — Lupin the Third PART1, original author and staff
People and Roles
Accessed: 2026-10-16