Suggestions by @vadim_havard

Jaimie Alexander

as Sif in Thor

David Kaye

as Arishem in Thor

Benedict Cumberbatch

as Doctor Strange in Thor

Josh Brolin

as Thanos in Thor

Tenoch Huerta Mejía

as Namor in Thor

Clark Gregg

as Phil Coulson in Thor

Tony Leung Chiu-wai

as Mandarin in Thor

Brie Larson

as Captain Marvel in Thor

Eson the Searcher

as Eson in Thor

Dave Bautista

as Drax in Thor

Don Lee (Ma Dong-seok)

as Gilgamesh in Thor

Ariana DeBose

as Calypso in Thor

May Calamawy

as Scarlet Scarab in Thor

Mitch Pileggi

as Marduk in Thor

Gemma Chan

as Sersi in Thor

Sydney Lemmon

as Satana in Thor

Nezarr the Calculator (Marvel Cinematic Universe)

as Nezarr in Thor

Clive Russell

as Tyr in Thor

Christopher Eccleston

as Malekith in Thor

Joseph Gatt

as Grundroth in Thor