Very little to no violence until the final act of the film.
We see a scene of brain surgery. The incision is very briefly seen. We see his brain and his scalp being thrown out briefly. It may make some viewers squirmish.
A man is kidnapped at the beginning. Not violent, but sudden.
A deer hits a moving car out of nowhere and dies. Its body is seen on the side of the road with a bloody wound.
A man is hit on the head with a heavy ball. A large spot of blood is seen on the ball, blood then starts to pool beneath the mans head. (Not fatal)
A man is stabbed through his hand with a letter opener, he doesn't feel any pain.