Suggestions by @matthewfenner

Jamie Chung

as Katana in Smallville Universe

Score: +1

Damon Herriman

as Metamorpho in Smallville Universe

Score: +1

Ewan McGregor

as Geo-Force in Smallville Universe

Score: +1

Garrett Hedlund

as Steve Trevor in Smallville Universe

Score: +1

Jack Quaid

as The Prankster in Smallville Universe

Score: +1

Michael Fassbender

as MIster Freeze in Smallville Universe

Score: +1

Hugo García

as Jonathan Samuel kent in Smallville Universe

Score: +1

Wilson Bethel

as Reverse Flash in Smallville Universe

Score: +1

Andy Serkis

as The Penguin in Smallville Universe

Score: +1

Toby Jones

as Mad Hatter in Smallville Universe

Score: +1

Liev Schreiber

as Black Mask in Smallville Universe

Score: +1

Mike Colter

as Bloodsport in Smallville Universe

Score: +1

Tom Cavanagh

as Blackrock in Smallville Universe

Score: +1

Joe Manganiello

as Barrage in Smallville Universe

Score: +1

Isaiah Washington

as Baron Sunday in Smallville Universe

Score: +1

Taron Egerton

as The Archer in Smallville Universe

Score: +1

Ioan Gruffudd

as Amalak in Smallville Universe

Score: +1

Brian Thompson

as Mongul in Smallville Universe

Score: +1

Joseph Gilgun

as Manchester Black in Smallville Universe

Score: +1

Michael Rosenbaum

as Lex Luthor in Smallville Universe

Score: +1