Mentality features the main characters Mahmoud Dahoud (nickname Mo) and Julian Brandt (2 Dortmund players) and Philipp Laux (psychologist: mental coach of Borussia Dortmund). Sport's not only physical, it's also a mental thing.

Young players Giovanni Reyna and Youssoufa Moukoko (just turned 16 when the story will be broadcasted), and the mentor Otto Addo, who is a coach for the transition of young players to the pro team, he helps them in this progress. He is also a former player of Dortmund.

Erling Haaland and Emre Can: For a year now, both have been playing for Borussia Dortmund, at first sight two very different players. One scores goals in bunches, while the other helps stabilizing midfield and defense. Despite their differences, they have brought something with them besides