Crossword puzzle clue "stage oscar"

Elaborate Broadway stage decor, vis-a-vis summer camp theater stage design?

At an early stage — at a late stage

Oscar winner who took his stage name from a WWII Navy film

Stage Oscar

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.