Maximizing Render Quality for Offline Render Bounces (Movies / Animations)

Hey all,

Thanks for all the helpful threads and forum discussions!
Quick question for anyone experienced in animating cutscenes and films- I'm trying maximize my render quality to be as close to a photorealistic render as possible. I'm using plugins to do offline bounces so I don't mind if it bogs down the FPS. Of course, all my settings within Unity are maxed out/ultra quality, shadows maxed, and GI light maxed out.

Are there any additional assets, plugins or procedures that you all use when bouncing a cutscene?

I will of course be polishing in After FX but wanted to get the most out of my models and environment and camera.

Thanks for any advice or answers!