# Cast voices with Smart match

> Let Offbook cast a voice for every character in one click, matched to age, gender, and personality. Preview the cast and swap any voice.

- URL: https://www.offbook.com/learn/smart-match
- Published: 2026-10-14

A big cast means a lot of voices to choose. Smart match reads your script and casts a voice for every character at once, so you start rehearsing sooner. You can still swap any voice you do not like.

- Video (MP4, 0:43): https://d2miifk9x400ct.cloudfront.net/v1/smart-match/video.mp4
- Captions (WebVTT): https://d2miifk9x400ct.cloudfront.net/v1/smart-match/captions.vtt

## Chapters

- 0:00 Intro
- 0:02 Click Smart match
- 0:18 Meet your cast
- 0:31 Confirm your cast

## Transcript

This scene has a big cast. You can browse all 1,000 voices, or let Offbook cast everyone at once. Click Smart match.

Offbook reads your script and matches each character to a voice that fits their age, gender, and personality.

Here is your cast. Press play to hear a voice.

If you don't like a voice, click Change to swap it.

When you like your cast, click Confirm cast.

Every character now has a voice. You're ready to rehearse.

Read the guide: [Choose your role and voices](https://www.offbook.com/help-center/get-started/set-up-your-scene).

- Previous video: [Organize your scenes](https://www.offbook.com/learn/organize-scenes)
- Next video: [Record your own read](https://www.offbook.com/learn/record-your-own-read)
- All videos: [Offbook video tutorials](https://www.offbook.com/learn)