Suggestions by @aidanmoore

Rosario Dawson

as Ahsoka Tano in Star Wars: The Thrawn Saga

Score: 0

Matt Bomer

as Jacen Solo in Star Wars characters wanted in Movies

Score: +1

John Cena

as Exar Kun in Star Wars characters without a live-action appearance (Legends and Canon)

Score: +1

Timothy Zahn

as Writer in Star Wars: Episode VII - Heir to the Empire (1991)

Score: +4

Angelina Jolie

as Natasi Daala in Fan Casting All the Star Wars Characters

Score: +1

Scarlett Johansson

as Mara Jade in Star Wars: The Thrawn Saga

Score: +1

Genndy Tartakovsky

as Director in Star Wars: The Thrawn Saga

Score: +1

John Williams

as Composer in Star Wars: Unity

Score: +1

Tyler Bates

as Composer in Star Wars: Unity

Score: +1

Genndy Tartakovsky

as Director in Star Wars: Unity

Score: +1

Robert Downey Jr.

as Talon Karrde in Heir to the Empire

Score: +1

Donald Sutherland

as Joruus C’baoth in Heir to the Empire

Score: +1

Hugh Jackman

as Dash Rendar in Star Wars: Shadows Of The Empire (Film)

Score: +1

Billy Dee Williams

as Lando Calrissian in Star wars Episode vi return of the Jedi (1993)

Score: +2

Frank Oz

as Yoda in Star Wars Legends

Score: +1