Crossword puzzle clue "oscar of letters"

Actress who won the Emmy, Grammy, Oscar, and Tony (the Oscar was for "Roman Holiday"): 2 wds.

Winner of a Best Actor Oscar for "The French Connection" and a Best Supporting Actor Oscar for "Unforgiven": 2 wds.

Winner of a Best Actress Oscar for "Gaslight" and a Best Supporting Actress Oscar for "Murder on the Orient Express": 2 wds.

Winner of a Best Actress Oscar for "The Prime of Miss Jean Brodie" and a Best Supporting Actress Oscar for "California Suite": 2 wds.

Leavings of Oscar the Grouch or Oscar Madison

Actress who won the Emmy, Grammy, Oscar, and Tony (the Oscar was for "West Side Story"): 2 wds.

Characteristic of this puzzle's circled letters, which suggest a 1991 Oscar-winning film

Oscar of letters