Suggestions by @fosterhitchman

Lynne Frederick

as Hermione Granger in Harry Potter And The Chamber Of Secrets (70's Cast)

Score: +1

John Mills

as Thomas Andrews in Titanic (1977)

Score: +1

Shelley Winters

as Molly Brown in Titanic (1977)

Score: +3

Debbie Reynolds

as Ruth DeWitt Bukater in Titanic (1977)

Score: +1

Lee Grant

as Ruth DeWitt Bukater in Titanic (1977)

Score: +1

Sylvia Sidney

as the modern-day Rose Dawson Calvert in Titanic (1977)

Score: +1

Franco Nero

as Caledon Hockley in Titanic (1977)

Score: +2

John Moulder-Brown

as Jack Dawson in Titanic (1977)

Score: +1

Lynne Frederick

as Rose DeWitt Bukater in Titanic (1977)

Score: +1

Halle Bailey

as Manuela in The Pirate (2020's remake)

Score: +1

Alison Glennie

as Grandmother in Tim Burton’s The Witches

Score: +1

Claire Foy

as The Grand High Witch in Tim Burton’s The Witches

Score: +1

Kristin Kreuk

as The Grand High Witch in Tim Burton’s The Witches

Score: +1

India Eisley

as Lynne Frederick in English Rose (20??)

Score: +1

Michael Gough

as Severus Snape in Harry Potter And The Prisoner Of Azkaban (70's Cast)

Score: +1

David Niven

as Albus Dumbledore in Harry Potter And The Prisoner Of Azkaban (70's Cast)

Score: +1

Tom Baker

as Sirius Black in Harry Potter And The Prisoner Of Azkaban (70's Cast)

Score: +4

Faith Brooks

as Minerva McGonagall in Harry Potter And The Prisoner Of Azkaban (70's Cast)

Score: +1

Kim Fortune

as Harry Potter in Harry Potter And The Prisoner Of Azkaban (70's Cast)

Score: +1

Julie Dawn Cole

as Hermione Granger in Harry Potter And The Prisoner Of Azkaban (70's Cast)

Score: +1