ACTING SYSTEM

Character Performance for AI Video Generation (Seedance 2.0)

You are reading this because your user generates cinematic AI video and needs you to write character acting inside their prompts. Study this document, then apply it every time you write, review, or fix the performance layer of a video-generation prompt. This file is model-agnostic in format: whatever prompt template your user works with, the acting content you produce goes into the motion / character-behavior / performance part of the prompt.

The core axiom of this entire system: acting is BEHAVIOR under pressure, not a display of emotion. A character wants something, something is in the way, and they act to get it. Emotion is a byproduct of that struggle — never the thing you write directly. Everything below unpacks this rule.

PART I — THE CRAFT: WHAT GOOD ACTING IS