We recently wrote a paper comparing several acted speech databases portraying basic emotional categories.
F. Burkhardt, Anabell Hacker, Uwe Reichel, Hagen Wierstorf, Florian Eyben and Björn Schuller: A Comparative Cross Language View On Acted Databases Portraying Basic Emotions Utilising Machine Learning, Proc. Proc. LREC, 2022

Here are the the speaker partitions that were used in the paper.