[1] Beginning in the eighth grade he participated in the theatre club at the Ernst-Moritz-Arndt high school.
After graduating in 2014, he started studying acting at the Academy of Dramatic Arts "Ernst Busch" Berlin.
[2] During the 2016 season he performed the lead role in Georg Büchner's Danton's Death at the Schaubühne in Berlin.
[3] Since the 2017/18 season he has been a permanent cast member at the Maxim Gorki Theatre and appeared in several productions.
[4] Reviewing his film performance in LOMO–The Language of Many Others, Variety wrote that Dassler "show[ed] strong heartthrob potential".