Performances in films that most brimmed with sensuality and sex appeal?
Not just a "thirst post" for sexy people, but films where you felt the most sense of allure and sexuality and sensuality coming from an actor, whether there were any sex/nude scenes or not. Can relate to the character for sure, but the performance has to bring it out well.
Traits that bring this out can come down to a low vocal tone, smooth and sensual body language, playing a character that's inherently seductive either obviously or subtly, the way certain sexy scenes are brought to life by them and even if you just already have a crush on the actor already.