Suggestions by @user_314673

Callum Blue

as Fitzgerald Michael "Fitz" Kreiner in Doctor Who: The Eighth Doctor Adventures (1996-1999)

Score: +1

Amanda Tapping

as Samantha Carter in Stargate Atlantis

Score: +2

Jason Momoa

as Ronon Dex in Stargate Atlantis

Score: +2

Michael Shanks

as Daniel Jackson in The Stargate Franchise (Unlimited Budget)

Score: +1

Joe Flanigan

as Owen Reece in Battleworld

Score: +1

David Hewlett

as Franklin Richards in Battleworld

Score: +1

Henry Cavill

as Marcus Milton in Battleworld

Score: +1

Jeremy Renner

as Hawkeye in New Avengers: Illuminati

Score: +1

Chadwick Boseman

as Black Panther in New Avengers: Illuminati

Score: +1

Cobie Smulders

as Maria Hill in New Avengers: Illuminati

Score: +1

Robert Downey Jr.

as Iron Man in New Avengers: Illuminati

Score: +1

Mckenna Grace

as Black Swan in The Exiles

Score: +1

Mckenna Grace

as Yabbat Ummon Tarru in Marvel Cinematic Universe

Score: +1

Mckenna Grace

as Yabbat Ummon Tarru in Avengers Doomsday

Score: +4

David Hewlett

as Rodney McKay in Stargate Atlantis

Score: +2

Robert Downey Jr.

as Victor von Doom in Battleworld

Score: +1

Mckenna Grace

as Yabbat Ummon Tarru in Battleworld

Score: +1

Michael Giacchino

as Composer in Marvel Studios' Illuminati

Score: +1

Mckenna Grace

as Black Swan in Marvel Studios' Illuminati

Score: +1

Mckenna Grace

as Black Swan in Marvel's Illuminati

Score: +2