Suggestions by @marcellogallantemllgll

Sophia Turner

as Spike in Paradox

Score: +2

Elle Fanning

as Spike in Paradox

Score: +1

Mary Steenburgen

as Clara Clayton in Paradox

Score: +1

Christopher Lloyd

as Emmett Brown in Paradox

Score: +1

Cameron Monaghan

as Griff Tannen in Paradox

Score: +1

Timothée Chalamet

as Jules Brown in Paradox

Score: +2

Austin Abrams

as Verne Brown in Paradox

Score: +1

Alan Silvestri

as Composer in Paradox

Score: +1

Bob Gale

as Writer in Paradox

Score: +1

Robert Zemeckis

as Director in Paradox

Score: +1