Suggestions by @ryanlindemuth

Michael Cera

as Renfield in Universal monsters (Return)

Score: +1

Dane DeHaan

as Renfield in Universal monsters (Return)

Score: +1

Nicholas Hoult

as Renfield in Universal monsters (Return)

Score: +1

Sofia Boutella

as The Mummy (Ahmanet) in Universal monsters (Return)

Score: +2

Élodie Yung

as The Mummy (Ahmanet) in Universal monsters (Return)

Score: 0

Mads Mikkelsen

as The Phantom (Erik) in Universal monsters (Return)

Score: +1

Drew Scheid

as Quasimodo in Universal monsters (Return)

Score: +1

Rohan Campbell

as Quasimodo in Universal monsters (Return)

Score: +1

Russell Crowe

as Dr Jekyll/Mr Hyde in Universal monsters (Return)

Score: +1

Johnny Depp

as Dr Jekyll/Mr Hyde in Universal monsters (Return)

Score: +1

Sean Harris

as Dr Jekyll/Mr Hyde in Universal monsters (Return)

Score: +1

Rumer Willis

as Mayra Zeleska in Universal monsters (Return)

Score: +1

Martin Freeman

as The Invisible Man in Universal monsters (Return)

Score: +1

Austin Butler

as Baron Latos in Universal monsters (Return)

Score: +1

Brad Pitt

as The Wolfman in Universal monsters (Return)

Score: +1

Jude Law

as The Werewolf of London in Universal monsters (Return)

Score: +1

Arnold Vosloo

as The Mummy (Imhotep) in Universal monsters (Return)

Score: +2

Michael Shannon

as The Mummy (Imhotep) in Universal monsters (Return)

Score: +1

Ken Kerzinger

as Frankenstein's Monster in Universal monsters (Return)

Score: +1

Dominic West

as Frankenstein's Monster in Universal monsters (Return)

Score: +1