Suggestions by @mugipk

Dwayne Johnson

as Jayne in Firefly reboot

Score: +1

Nick Frost

as Book in Firefly reboot

Score: +1

Robert Carlyle

as Book in Firefly reboot

Score: +1

Taye Diggs

as Book in Firefly reboot

Score: +1

Alden Ehrenreich

as Simon in Firefly reboot

Score: +2

Simu Liu

as Simon in Firefly reboot

Score: +4

Vincent Kartheiser

as Simon in Firefly reboot

Score: +1

Tom Riley

as Simon in Firefly reboot

Score: +1

Cobie Smulders

as Zoe in Firefly reboot

Score: +1

Jason Segel

as Wash in Firefly reboot

Score: +1

Neil Patrick Harris

as Wash in Firefly reboot

Score: +1

Cristin Milioti

as Kaylee in Firefly reboot

Score: +1

Ann Skelly

as Kaylee in Firefly reboot

Score: +2

Hailee Steinfeld

as Kaylee in Firefly reboot

Score: +3

Dania Ramirez

as Inara in Firefly reboot

Score: +2

Miriam Leone

as Inara in Firefly reboot

Score: +1

Camila Mendes

as Inara in Firefly reboot

Score: +2

Chloe Bennet

as Inara in Firefly reboot

Score: 0

Gal Gadot

as Inara in Firefly reboot

Score: -1

Millie Bobby Brown

as River in Firefly reboot

Score: +1