I received a sample from a voice actor, do I still need to ask for his GDPR consent to use it ?

The actor gave you his sample directly and for a specific usage at that moment. Will he still authorise your use of that sample tomorrow or next year? Will you remember to ask for use in the new context? GDPR insists on your being able to provide trackable consent for different usages and respecting consent calendars for using personal data. Mediartis helps you obtain storage and usage consent for two year periods, and then we get it again to be sure your data is GDPR-friendly.