Suggestions by @ifancast

Steven Yeun

as Scott Free in Escape from the Fourth World

Rafe Spall

as Alexander Knox in Batman (2019)

Matthew Vaughn

as Director in Arrow/Arsenal

Ethan Hawke

as Merlyn in Arrow/Arsenal

Spoiler

as Merlyn in Arrow/Arsenal

Okieriete Onaodowan

as Daniel Brickwell in Arrow/Arsenal

Sasha Lane

as Helena Bertinelli in Arrow/Arsenal

Ethan Hawke

as Arthur King in Arrow/Arsenal

Dan Stevens

as Count Werner Zytle of Vlatava in Arrow/Arsenal

Thomasin McKenzie

as Perdita, Princess of Vlatava in Arrow/Arsenal

Naveen Andrews

as Robert Queen in Arrow/Arsenal

Tanner Buchanan

as Roy Harper in Arrow/Arsenal

Himesh Patel

as Oliver Queen in Arrow/Arsenal

Jessie Buckley

as Muck in Fixing It

Gabriel Luna

as Roley in Fixing It

Don Cheadle

as Scoop in Fixing It

Eddie Redmayne

as Lofty in Fixing It

Angourie Rice

as Dizzy in Fixing It

Andy Serkis

as The Mad Scientist in Fixing It

Kirsten Dunst

as Wendy in Fixing It