Macmillan
Possible match — there are several people named Macmillan; this may not be the one in these credits.
MacMillan — badminton player (1876–2000)
Wikidata · Summary from Wikipedia (CC BY-SA)
Filmography in the catalog
Credited on 158 films (1914–1987) — matched by name in the Creator or Credits field. Also mentioned in 76 other records (descriptions, transcriptions, copyright notes).