Casar portrayed Myriem in "How I Killed My Father" (2001) by Anne Fontaine; Assia Wevill in "Sylvia" (2003) by Christine Jeffs; the lead role of The Woman in the Catherine Breillat erotic film "Anatomy of Hell" (2004); and Eva in "To Paint or Make Love" (2005) by Arnaud and Jean-Marie Larrieu, which was nominated for the Palme d'Or at the 2005 Cannes Film Festival.