Born to a French father and an Indonesian mother, Dantec started her modeling career at the age of 13 in Jakarta, Indonesia.
[5] In 2005, Dantec landed her first film, taking a supporting role in Joko Anwar's romantic comedy Janji Joni.
[6] That same year, Dantec took her first lead role as an eclectic girl who tries to pair off her best friend with a bookshop owner in a short film The Matchmaker, directed by Cinzia Puspita Rini and produced by Nia Dinata.
[14][15] The following year, Dantec for the third time acted opposite Nicholas Saputra in LINE's web series Nic And Mar.
[16][17] In 2016, Dantec participated in the International Labour Organization's campaign in promoting voluntary counselling and HIV testing for workers.
[18] In the campaign video, Dantec lent her voice for the real-life story of Yohana, a plantation worker from Indonesia who found out she was HIV positive after getting tested at work.