Suggestions by @danielbecker

Florence Pugh

as Sam in Female Lord of the Rings

Saoirse Ronan

as Frodo in Female Lord of the Rings

Kathryn Bigelow

as Director in Female Lord of the Rings

Lynne Ramsay

as Director in Female Lord of the Rings

Marielle Heller

as Director in Female Lord of the Rings

Greta Gerwig

as Writer in Female Lord of the Rings

Hildur Guðnadóttir

as Composer in Female Lord of the Rings

Tony Leung Chiu-wai

as Celeborn in PoC Lord of the Rings

Ramin Djawadi

as Composer in PoC Lord of the Rings

Giancarlo Esposito

as Saruman in PoC Lord of the Rings

Morgan Freeman

as Gandalf in PoC Lord of the Rings

James Earl Jones

as Bilbo in PoC Lord of the Rings

Stephen McKinley Henderson

as Bilbo in PoC Lord of the Rings

Jonathan Majors

as Boromir in Black Lord of the Rings

Jovan Adepo

as Faramir in Black Lord of the Rings

Rihanna

as Goldberry in PoC Lord of the Rings

Taika Waititi

as Radagast in PoC Lord of the Rings

Keith David

as Treebeard in PoC Lord of the Rings

Janelle Monáe

as Tom Bombadil in PoC Lord of the Rings

Donald Glover

as Tom Bombadil in PoC Lord of the Rings