Suggestions by @ben_quigels

Tab Hunter

as Grantaire in Les Misérables (Old Hollywood Epic)

Score: +1

Bobby Driscoll

as Gavroche in Les Misérables (Old Hollywood Epic)

Score: +1

Thelma Ritter

as Madame Thenardier in Les Misérables (Old Hollywood Epic)

Score: +1

Charles Laughton

as Monsieur Thenardier in Les Misérables (Old Hollywood Epic)

Score: +1

Leslie Caron

as Cosette in Les Misérables (Old Hollywood Epic)

Score: +1

James Dean

as Enjolras in Les Misérables (Old Hollywood Epic)

Score: +2

Judy Garland

as Éponine in Les Misérables (Old Hollywood Epic)

Score: +2

Sylvia Sidney

as Fantine in Les Misérables (Old Hollywood Epic)

Score: +1

Montgomery Clift

as Marius Pontmercy in Les Misérables (Old Hollywood Epic)

Score: +1

Robert Mitchum

as Inspector Javert in Les Misérables (Old Hollywood Epic)

Score: +1

Gene Kelly

as Jean Valjean in Les Misérables (Old Hollywood Epic)

Score: +1

Ethel Merman

as Ursula in The Little Mermaid (1940s)

Score: +2

Orson Welles

as King Triton in The Little Mermaid (1940s)

Score: +3

Paul Newman

as Ringo in Pulp Fiction (1950s)

Score: +1

Audrey Hepburn

as Mia Wallace in Pulp Fiction (1950s)

Score: +1

Judith Anderson

as Hecuba in The Trojan War in Classic Hollywood (1950s)

Score: +2

Spencer Tracy

as Priam in The Trojan War in Classic Hollywood (1950s)

Score: +2

Rita Hayworth

as Helen of Troy in The Trojan War in Classic Hollywood (1950s)

Score: +2

Edward G. Robinson

as Menelaus in The Trojan War in Classic Hollywood (1950s)

Score: +2

Montgomery Clift

as Paris in The Trojan War in Classic Hollywood (1950s)

Score: +3