Suggestions by @garrettafancytrouser

Domhnall Gleeson

as Sean Cassidy in X-Company fancasts

Score: -1

Chloe Bennet

as Clarice Ferguson in X-Company fancasts

Score: +1

Will Sharpe

as Takeshi Matsuya in X-Company fancasts

Score: +1

Maria Bakalova

as Illyana Rasputina in X-Company fancasts

Score: -1

Rina Sawayama

as Yuriko Oyama in X-Men villains fancast

Score: +1

Toby Stephens

as Sebastian Shaw in X-Men villains fancast

Score: +1

Pruitt Taylor Vince

as The Blob in X-Men villains fancast

Score: +3

Luke Evans

as Mister Sinister in X-Men villains fancast

Score: +1

Ulrich Thomsen

as Bolivar Trask in X-Men villains fancast

Score: +2

Walton Goggins

as Henry Peter Gyrich in X-Men villains fancast

Score: +1

Jake Weber

as Senator Robert Kelly in X-Men villains fancast

Score: 0

Ian Somerhalder

as Sebastian Gilberti in X-Men villains fancast

Score: +1

Neal McDonough

as William Stryker in X-Men villains fancast

Score: +2

Matthew Rauch

as Matthew Risman in X-Men villains fancast

Score: +2

Tom Felton

as Donald Pierce in X-Men villains fancast

Score: +1

Tom Glynn-Carney

as Cameron Hodge in X-Men villains fancast

Score: +1

James Cromwell

as Abraham Cornelius in X-Men villains fancast

Score: +1

Stephen Lang

as Stephen Lang in X-Men villains fancast

Score: +2

Trieste Kelly Dunn

as Veronica Page in X-Men villains fancast

Score: +1

Golshifteh Farahani

as Dr. Kavita Rao in My X-Men fancasts

Score: +2