From Znuny: https://ticket.wikimedia.org/otrs/index.pl?Action=AgentTicketZoom;TicketID=11899211

`Always if I want to press on the quick facts of a series and want to get the cast
In german „Besetzung“ nothing happens.`

Can replicate in https://de.wikipedia.org/wiki/Seinfeld. Though this is an internal link to another section of the same article, which may be why.