Suggestions by @user_23633

Andy Serkis

as SOVEREIGN in Mass Effect Trilogy(story private)

Score: +1

Melissa McBride

as KARIN CHAKWAS in Mass Effect Trilogy(story private)

Score: +1

Mahershala Ali

as Thane in Mass Effect Trilogy(story private)

Score: -1

Alexandra Daddario

as Liara in Mass Effect Trilogy(story private)

Score: -1

Charles Dance

as Admiral Hackett in Mass Effect Trilogy(story private)

Score: -1

Doug Jones

as Javik in Mass Effect Trilogy(story private)

Score: +1

Tricia Helfer

as Ida in Mass Effect Trilogy(story private)

Score: +1

Laurence Fishburne

as David Anderson in Mass Effect Trilogy(story private)

Score: -1

Cobie Smulders

as Commander Shepard Fem in Mass Effect Trilogy(story private)

Score: -1

John Goodman

as Wrex in Mass Effect Trilogy(story private)

Score: +1

Ron Perlman

as Grunt in Mass Effect Trilogy(story private)

Score: +1

Oscar Isaac

as Kaidan Alenko in Mass Effect Trilogy(story private)

Score: -1

Tatiana Maslany

as Ashley Williams in Mass Effect Trilogy(story private)

Score: +1

Kaya Scodelario

as Liara in Mass Effect Trilogy(story private)

Score: +1

Evan Rachel Wood

as Commander Shepard Fem in Mass Effect Trilogy(story private)

Score: +1

Richard Madden

as Commander Shepard in Mass Effect Trilogy(story private)

Score: +1

Steven Yuen

as Kai Leng in Mass Effect Trilogy(story private)

Score: +1

Lena Headey

as Samara in Mass Effect Trilogy(story private)

Score: +1

Carrie-Anne Moss

as Aria T'Loak in Mass Effect Trilogy(story private)

Score: +1

Adewale Akinnuoye-Agbaje

as Grunt in Mass Effect Trilogy(story private)

Score: -1