František (played by Oldřich Kaiser) is a protagonist in Líbáš jako ďábel.
Doctor in a strained marriage who falls for Helena and seeks peaceful love. Bohunka (played by Eva Holubová) appears in Líbáš jako ďábel.
František's wife struggling with depression and marital conflict over his open relationship desires. Karel (played by Jiří Bartoška) appears in Líbáš jako ďábel.
Successful writer and Helena's ex-husband, navigating cohabitation, separation, and reconciliation.