Suggestions by @axiomman

Grant Gustin

as Nick Tatopoulos in King Kong vs Godzilla

Auli'i Cravalho

as Lua in King Kong vs Godzilla

Shiro Sagisu

as Composer in King Kong vs Godzilla

Hideaki Anno

as Director in King Kong vs Godzilla

MechaGodzilla

as Mechagodzilla in King Kong vs Godzilla

Godzilla

as Godzilla in King Kong vs Godzilla

King Kong

as King Kong in King Kong vs Godzilla

Hiroki Hasegawa

as Shinichiro Kawamura in Rodan

Diane Guerrero

as Lea Vergara in Rodan

MechaGodzilla

as Project-Kiryu in Rodan

Spoiler

as Project-Kiryu in Rodan

Hailee Steinfeld

as May Mercer in Rodan

Riz Ahmed

as Dr. Sam Caldwell in Rodan

John Murphy

as Composer in Rodan

James Gunn

as Director in Rodan

Megaguirus

as Megaguirus in Rodan

Meganulon

as Meganulon in Rodan

Rodan (Radon)

as Rodan in Rodan

Giancarlo Esposito

as Jonathan Richards in Godzilla: Reign of the Monsters

King Ghidorah (Kingu Gidora)

as "We Found This Off The Bay" in Godzilla: Reign of the Monsters