Suggestions by @wbb

Betty Gilpin

as Doctor Jennifer Hill in Smith's Grove Sanitarium

Score: +1

Jeremy Ray Taylor

as Adrian Wade in Smith's Grove Sanitarium

Score: +1

Percy Hynes White

as Tony O'Malley in Smith's Grove Sanitarium

Score: +1

Cotter Smith

as Doctor Carpenter in Smith's Grove Sanitarium

Score: +1

Cameron King

as Michael Myers in Smith's Grove Sanitarium

Score: +1

Ben Kingsley

as Doctor Sam Loomis in Smith's Grove Sanitarium

Score: +1

Noah Centineo

as Richard Castaldo in The Columbine Massacre: American Crime Story

Score: +1

Mackenzie Foy

as Rachel Scott in The Columbine Massacre: American Crime Story

Score: +7

Alex Saxon

as Curtis Lerchen in The Majors

Score: +1

Chrissy Metz

as Linda Harris in The Majors

Score: +1

Jennifer Jason Leigh

as Claire Waylon in The Majors

Score: +1

Arsher Ali

as Hal Dander in The Majors

Score: +1

Stephen Root

as William L. Waylon in The Majors

Score: +1

Brendan Gleeson

as Patrick S. Waylon in The Majors

Score: +1

Courtney B. Vance

as Mika Long in The Majors

Score: +1

Ryan Kwanten

as Vince Waylon in The Majors

Score: +1

Dave Porter

as Composer in The Majors

Score: +1

Alan Silvestri

as Composer in Walker, Texas Ranger

Score: +1

Chuck Norris

as Producer in Walker, Texas Ranger

Score: +2

Skip Woods

as Writer in Walker, Texas Ranger

Score: 0