Nominated For the Same Role

Only six players have been nominated for an Oscar for playing the same role

Sylvester Stallone as Rocky in Rocky (1976) and Creed (2015)

Paul Newman in The Hustler (1961) and The Color of Money (1986)
He won for The Color of Money.

Cate Blanchett was nominated for playing Eizabeth I in
Elizabeth (1998) and Elizabeth : The Golden Age (2007)

Al Pacino as Michael Corleone in The Godfather (1972) and
The Godfather: Part II (1974) 

Peter O'Toolewas nominated for playing King Henry II in both
Becket (1964) and The Lion in Winter (1968).

Bing Crosby was nominated for playing Father Chuck O'Malley in
Going My Way (1944) and in The Bells of St Mary's (1945).