Suggestions by @flyman

Dallas Liu

as Adolin Kholin in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

FAKE

as Stennimar (lightsong) in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

Hayden Christensen

as Marsh in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

Daniel Dae Kim

as Dalinar Kholin in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

Ma Dong-seok

as Dalinar Kholin in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

Bill Skarsgård

as Szeth-son-son-Vallano in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

Ralph Barbosa

as Lopen in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

20-30 male

as Lopen in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

Hugh Jackman

as Gavilar Kholin in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

Noah Schnapp

as Renarin Kholin in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

Laurence Fishburne

as Stormfather in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

Gustaf Skarsgård

as The Lord Ruler in Cosmere (stormlight, mistborn, elantris, warbraker, etc)

Milana Vayntrub

as Sylphrena "Syl" Honor Spren in Cosmere (stormlight, mistborn, elantris, warbraker, etc)