Unlikely. Bette gave up her top billing to have it re-named HUSH... HUSH, SWEET CHARLOTTE, thank goodness.
As I've stated before, it might be interesting to see an able-bodied Crawford silently wandering the moors and halls of that Louisiana plantation at night in her giant choker necklaces and period beehive hairdo, but it would have given her malevolence away too early, as well as making this already terribly dark, grand guignol picture even darker in a back-of-a-dark-closet sort of way. But Olivia de Havilland brought a breezy contrast to the role which worked.
Like
@Crimson, I, too, think it's the best of the hag horror genre (despite the bizarre error in hair and wardrobe for the "1927" prologue where the styles are clearly 1964 -- a mistake that BABY JANE did not make, although a lot of '60s films did).
I've actually had this framed photo in my dining room for years: