[2] Karoline Leth served as a teacher and coordinator in the documentary program at the National Film School of Denmark from 1999 to 2004.
[3] Following a brief stint at Apple Tree Productions, she returned to Zentropa in 2019 as the Head of Drama Series.
[9] Leth developed together with main writer Dunja Gry Jensen the groundbreaking character-driven crime series Norskov (2015).
[13] The Legacy have received the Danish Film Academy's Robert awards for best drama series as well as for best lead and supporting roles in all 3 seasons,[14] and have also received the French FIPA award for best script for the first season[15] Karoline Leth has produced the mini-drama series Liberty (2018),[16] based on the award-winning and late author Jakob Ejersbo's novel of the same name.
[22] Karoline Leth has also produced the second season of the crime series DNA (2022) for TV2 Denmark, with Anders W. Berthelsen, Olivia Joof Lewerissa and Charlotte Rampling in the main roles[25] TV series Movies