Characters
Casting portrait reference
The face reference you attach to every later prompt.
The prompt
Image (Flow, Image, Nano Banana 2.1 or Pro, 3:4, nothing attached): Photographic portrait for a film casting reference. [40-60 word description: age, face shape, skin, eyes, hair, two small unique marks, clothing at the neck]. Front view, head and shoulders, neutral expression, plain neutral grey background, soft even studio light, 85mm lens, visible skin pores and pores, moist eyes with catchlights, individual hair strands. Not flawless, not retouched. No text, no letters, no captions, no watermark.
What to swap for your story
- the whole description in brackets -> your character, word for word every time
Last updated 2026-10-29. Tested in Google Flow.
Want the full method?
This prompt is one step. The course shows how to plan the shot, keep your character the same and cut it into a finished film.