Sharon's screentime.

She wasn't in the movie as much as I had hoped but the parts she was in were very memorable. Especially the twist ending. The movie itself was very good. I would also recommend Eye of the Devil if you haven't seen it already. It's the best movie of Sharon's I've seen so far in which she plays a creepy, strange acting witch.

Sharon might not have much screen time, but she does have a role that she can really sink her teeth into.

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"The past is never dead. It isn't even past." -- William Faulkner

She made the most of her screentime. Bubble baths, getting spanked...oof.

Sharon's fans conveniently forget she was not the star of the film. Jack McGowran was the star. Professor Abronsius was the main protagonist. Sharon was the love interest of the secondary protagonist, Polanski's character of Alfred. As for the film being a "chore to watch" and "not a lot happening" I have to wonder what film you were watching. This is my favourite of Polanski's. It is a send up of the Hammer horror films of the 50s/60s. It is not supposed to be serious, hence the ending where Sarah Shagal puts the bite on Alfred and Abronsius being completely unaware as the narration states:

That night, fleeing from Transylvania, Professor Abronsius never guessed he was carrying away with him the very evil he had wished to destroy. Thanks to him, this evil would at last be able to spread across the world.

Basically Abronsius is the anti Van Helsing. He's smart, but not socially aware. To a degree Von Krolock is sort of the hero of the piece.