On the big screen, Karsenti has been in the role of Chrissie in Battlefield Earth which is often considered one of the worst films ever made. She also held several other leading roles, including The Favorite Game, Musketeers Forever and Bonjour Timothy, shot in New Zealand. Karsenti has had smaller roles in feature films such as Cadavre Exquis première édition, presented at the World Film Festival of Montreal in 2006. She was also part of the distribution of American films Time Bomb and The Perfect Marriage.
She is married to an Artist who goes by simply the letter "F" and has one son, born in 2009.
