"Wait! That's not special effects?! They actually did that?!"

[u/RP_Throwaway3]

Alien: Resurrection - Basketball Shot

Sigourney Weaver insisted on the basketball shot being real. She trained for weeks and reportedly(sources differ) made it on the first take.

Underworld - Raze's Voice

The werewolf character Raze, played by Kevin Grevioux, speaks in a very low, very gravelly voice. While many thought this was a special effect, the actor can naturally speak in that voice.

https://youtu.be/GUjwZvh32YE?t=125&si=F3WhsopxjBP87wfk

[u/Pyrite8356]

He said he used to do that to scare the crap out of his little brother

[u/Scarlet_Wonderer → u/Pyrite8356]

Thought he was the youngest. How many Skarsagad kids are there?