Suggestions by @gardenheart

Ioan Gruffudd

as Fred Narracott in And Then There Were None(story private)

Score: +1

Colin Firth

as Dr. Edward George Armstrong in And Then There Were None(story private)

Score: +1

Sam Claflin

as Philip Lombard in And Then There Were None(story private)

Score: +1

Rupert Grint

as Edward Seton in And Then There Were None(story private)

Score: +1

Indica Watson

as Lucy Combes in And Then There Were None(story private)

Score: +1

Indica Watson

as Edward Seton in And Then There Were None(story private)

Score: +1

Gemma Arterton

as Louisa Mary Clees in And Then There Were None(story private)

Score: +1

Jason Isaacs

as Thomas Rogers in And Then There Were None(story private)

Score: +1

Tom Hardy

as Officer Arthur Richmond in And Then There Were None(story private)

Score: +1

Alex Pettyfer

as Anthony James Marston in And Then There Were None(story private)

Score: +1

Colin Farrell

as Inspector Maine in And Then There Were None(story private)

Score: +1

Nathan Mack

as Cyril Hamilton in And Then There Were None(story private)

Score: +1

Jessica Brown Findlay

as Leslie McArthur in And Then There Were None(story private)

Score: +1

Imelda Staunton

as Emily Caroline Brent in And Then There Were None(story private)

Score: +1

Felix Jamieson

as John Combes in And Then There Were None(story private)

Score: +1

Michelle Dockery

as Olivia Hamilton in And Then There Were None(story private)

Score: +1

Rafe Spall

as James Landor in And Then There Were None(story private)

Score: +1

Hugh Laurie

as General Gordon MacArthur in And Then There Were None(story private)

Score: +1