Suggestions by @teeyutes

Richard Widmark

as Robert E. Lee Ewell in To Kill A Mockingbird (1952)

Score: +1

John Huston

as Curly Washburn in City Slickers (1981)

Score: +1

William Wyler

as Director in To Kill A Mockingbird (1952)

Score: +1

Ossie Davis

as Tom Robinson in To Kill A Mockingbird (1952)

Score: +1

Henry Fonda

as Atticus Finch in To Kill A Mockingbird (1952)

Score: +1

Neil Hamilton

as Captain Renault in Casablanca (1952)

Score: +1

E.G. Marshall

as Arthur Slugworth in Willy Wonka & the Chocolate Factory (1961)

Score: +1

Melvyn Douglas

as Howard Beale in Network (1956)

Score: +1

John Huston

as Carl Grissom in Batman (1979)

Score: +1

Jerry Paris

as Director in Clue (1965)

Score: +1

Jerry Paris

as Director in Harry and Walter Go to New York (1966)

Score: +1

Alexander Doré

as Warden Durgom in Harry and Walter Go to New York (1966)

Score: +1

Rip Torn

as Department Store Santa in Elf (1963)

Score: +1

Boris Karloff

as Mickey Goldmill in Rocky (1956)

Score: +2

Jack Warden

as Bert Langdon in Welcome to Mooseport (1994)

Score: +1

James Coburn

as Preston Rhinelander in Scrooged (1998)

Score: +1

Donna Dixon

as Dr. Sally Mannis in Welcome to Mooseport (1994)

Score: +1

John Landis

as Director in Welcome to Mooseport (1994)

Score: +1

James Coburn

as Monroe "Eagle" Cole in Welcome to Mooseport (1994)

Score: +1

John Candy

as Harold Harrison in Welcome to Mooseport (1994)

Score: +1