What the official listing confirms
Steam identifies Fumi Games and PlaySide but the store summary does not publish a complete voice cast.
Use this as a controlled first-session test
Record character, actor, exact source and source date before adding a cast entry.
- Check in-game credits
- Check official announcements
- Match character spelling
- Save the source URL
- Date the verification
Keep the answer current
MOUSE: P.I. For Hire can change after updates. Verify patch-sensitive values in the current build and record the date before treating a route, build, or requirement as permanent.
Local tracker