Suggestions by @chariot_choogle

Daniel Radcliffe

as Rincewind in Discworld

Score: +1

Udo Kier

as Paul von Hindenburg in First World War (TV Show)

Score: 0

Herbert Grönemeyer

as Paul von Hindenburg in First World War (TV Show)

Score: 0

Jürgen Prochnow

as Paul von Hindenburg in First World War (TV Show)

Score: +2

Niels Arestrup

as Georges Clemenceau in First World War (TV Show)

Score: +1

Gérard Depardieu

as Georges Clemenceau in First World War (TV Show)

Score: +1

Gérard Jugnot

as Georges Clemenceau in First World War (TV Show)

Score: +2

Tara Strong

as Edie in The Hitchhiker's Guide to the Galaxy

Score: +1

Harry Enfield

as Slartibartfast in The Hitchhiker's Guide to the Galaxy

Score: +1

Paul F. Tompkins

as Zaphod Beeblebrox in The Hitchhiker's Guide to the Galaxy

Score: +1

Bill Bailey

as Slartibartfast in The Hitchhiker's Guide to the Galaxy

Score: +1

Geraldine Viswanathan

as Trillian in The Hitchhiker's Guide to the Galaxy

Score: 0

Guz Khan

as Ford Prefect in The Hitchhiker's Guide to the Galaxy

Score: +1

Joel Fry

as Ford Prefect in The Hitchhiker's Guide to the Galaxy

Score: +2

Tom Rosenthal

as Ford Prefect in The Hitchhiker's Guide to the Galaxy

Score: +2

Dylan Llewellyn

as Arthur Dent in The Hitchhiker's Guide to the Galaxy

Score: +1

Kiell Smith-Bynoe

as Arthur Dent in The Hitchhiker's Guide to the Galaxy

Score: +1

Joe Thomas

as Arthur Dent in The Hitchhiker's Guide to the Galaxy

Score: +1

Al Roberts

as Arthur Dent in The Hitchhiker's Guide to the Galaxy

Score: +2

Larysa Kondracki

as Director in Red Mars

Score: +1