Suggestions by @itsmagic

Robert Downey Jr.

as David Klesser in An American Werewolf in London

Score: 0

Wentworth Miller

as David Klesser in An American Werewolf in London

Score: +1

Gary Sinise

as The President in Charlie and the Great Glass Elevator (Animated Book to Movie)

Score: +1

Ian McKellen

as Zebedee in The Magic Roundabout (CBeebies Bedtime Show)

Score: +1

Christine McGuinness

as Florence in The Magic Roundabout (CBeebies Bedtime Show)

Score: +3

Bradley Cooper

as Mr Beauregarde in Charlie and the Chocolate Factory (Animated Book to Movie)

Score: +1

Brendan Fraser

as Santa Claus in Santa Claus: The Movie (Remake)

Score: +1

Kurt Russell

as Santa Claus in Santa Claus: The Movie (Remake)

Score: +1

Ian McKellen

as Santa Claus in Santa Claus: The Movie (Remake)

Score: +1

Steve Pemberton

as The Ugly Sister 1 in The Magical Tale of Cinderella

Score: +1

Patsy Kensit

as Cinderella in The Magical Tale of Cinderella

Score: +1

Reece Shearsmith

as The Ugly Sister 2 in The Magical Tale of Cinderella

Score: +1

Andy Samberg

as Rowan Stoll in Poppy Playtime: The Playtime Co. Files

Score: +1

Josh Hartnett

as Leith Pierre in Poppy Playtime: The Playtime Co. Files

Score: +1

Paul Rudd

as Orson Cart in Charlie and the Great Glass Elevator (Animated Book to Movie)

Score: +1

Owen Wilson

as Orson Cart in Charlie and the Great Glass Elevator (Animated Book to Movie)

Score: +1

Brendan Fraser

as Orson Cart in Charlie and the Great Glass Elevator (Animated Book to Movie)

Score: +1

Scarlett Johansson

as Helen Highwater in Charlie and the Great Glass Elevator (Animated Book to Movie)

Score: +1