Suggestions by @aleksimalkavaara

Rebecca Romijn

as Duchess Satine in Star Wars with Star Trek Actors

Score: +2

Ken Marshall

as Pre Vizsla in Star Wars with Star Trek Actors

Score: +2

Tony Todd

as Mace Windu in Star Wars with Star Trek Actors

Score: +2

Kevin Williamson

as Best Scream Director in The Best Director from Every Horror Franchise

Score: +1

The Poseidon Adventure (2005)

as The Poseidon Adventure in Remakes vs. The Original Movies

Score: +1

Poseidon (film)

as The Poseidon Adventure in Remakes vs. The Original Movies

Score: +1

The Poseidon Adventure (1972 film)

as The Poseidon Adventure in Remakes vs. The Original Movies

Score: +1

Amy Sedaris

as Lwaxana Troi in Star Trek with Star Wars Actors

Score: +1

Brian Blessed

as Sybok in Star Trek with Star Wars Actors

Score: +2

Ravi Cabot-Conyers

as Wesley Crusher in Star Trek with Star Wars Actors

Score: +1

Kerry Condon

as Beverly Crusher in Star Trek with Star Wars Actors

Score: +1

Rebecca Henderson

as Deanna Troi in Star Trek with Star Wars Actors

Score: +1

Dominic Monaghan

as Pavel Chekhov in Star Trek with Star Wars Actors

Score: +1

Brian Tee

as Hikaru Sulu in Star Trek with Star Wars Actors

Score: +1

Linda Hunt

as Female Changeling in Star Trek with Star Wars Actors

Score: +1

Laura Dern

as Kai Winn Adami in Star Trek with Star Wars Actors

Score: +1

Ben Mendelsohn

as Gul Dukat in Star Trek with Star Wars Actors

Score: +1

Jason Isaacs

as Elim Garak in Star Trek with Star Wars Actors

Score: +1

Fred Armisen

as Rom in Star Trek with Star Wars Actors

Score: +2

Bill Burr

as Quark in Star Trek with Star Wars Actors

Score: +2