Suggestions by @kissmethardy

Scarlett Johansson

as Dale Arden in Flash Gordon

Score: -1

Ralph Fiennes

as Hans Zarkov in Flash Gordon

Score: +1

Idris Elba

as Prince Vultan in Flash Gordon

Score: +1

Cuba Gooding Jr.

as Bernard #2 in Watchmen (80'S)

Score: +1

Luke Evans

as Prince Barin in Flash Gordon

Score: +1

Wyatt Russell

as Flash Gordon in Flash Gordon

Score: +1

Justin Lin

as Director in Flash Gordon

Score: +1

Simon Pegg

as Writer #2 in Flash Gordon

Score: +1

Doug Jung

as Writer in Flash Gordon

Score: +1

Justin Hawkins

as Composer in Flash Gordon

Score: +1

Thomas Robinson Harper

as Choreographer in Flash Gordon

Score: +1

Taika Waititi

as Producer in Flash Gordon

Score: +1

Sam Raimi

as Director in Monster Mash!

Score: +1

Vincent D'Onofrio

as Herbert Hoover in The 74

Score: +1

Clark Gregg

as Calvin Coolidge in The 74

Score: +1

Brian Cox

as Warren G. Harding in The 74

Score: +1

Kyle MacLachlan

as Woodrow Wilson in The 74

Score: +1

Kelsey Grammer

as William Howard Taft in The 74

Score: +1

Dev Patel

as Mowgli in Fables

Score: +1