Pain detected
The product launches looking empty.
Solution / design response
Use believable fictional people to populate demos, dashboards, profile pages, comments, communities, and onboarding flows.
Fictional people for product demos
Empty products feel unfinished, even when the engineering is good.
CastStock gives products believable fictional people: consistent images, profile data, persona behavior, and example replies. It is built for demos, prototypes, seeded communities, product visuals, and workflows where real people create unnecessary legal and privacy risk.
Product
CastStock
Pain detected
Real people create licensing and privacy risk.
Solution / design response
Use fictional-only profiles designed for commercial product and demo workflows instead of scraping or borrowing real identities.
Pain detected
Random AI faces are not enough.
Solution / design response
CastStock treats a fictional person as a consistent reusable asset: images, profile details, tags, persona behavior, and example replies.
Pain detected
Seeded communities need more than avatars.
Solution / design response
Persona behavior and reply examples help demos feel less sterile without pretending the people are real users.
Pain detected
Design prototypes often hide product emptiness.
Solution / design response
Use ready-made fictional people as product data so UI states, lists, feeds, comments, and cards look closer to real usage.
Pain detected
Manual demo content does not scale.
Solution / design response
API access makes fictional people usable in repeatable product, agency, demo, and seeding workflows.