I suppose those were created by the importer? Apparently something is wrong with processing accented characters:
https://www.tvmaze.com/people/226771/tmas-szab
https://www.tvmaze.com/people/226773/gnes-barta
https://www.tvmaze.com/people/226774/kristf-widder
Excerpt from the corresponding press release
Támas Szabó
(Virginia Hospital Doctor)
Adam Farkas
(FBI Guard at Hospital)
Ágnes Barta
(FBI Medic at Field Office)
Kristóf Widder
(Munich GSC 9 Officer # 1)