How do i make my playable character face the AI character when they both collide?

i am looking to make some sort of injury animation when my AI character collides with my main character.
so what i have set up now is when the main character and AI character collide, the AI character stops moving to perform an animation (zombie bite) and the main character is disabled for the time being, i want my main character to turn around durring that time, so you are looking at the AI character directly when he performs this animation.