Kastner is a film and television actress, screenwriter and film director. As an actress and writer, she is noted for her work on movies like Julia Has Two Lovers, Spanish Fly and French Exit. Since 1983, she has been actively working on the Film industry and has received a wide range of applause. Detailed information about her educational qualifications and family background is yet unknown to the media.
Accounting her personal life, she is a happily married woman. Actually, she is also known due to her husband who is a popular American actor and producer. She has been enjoying her marital relationship with her beloved husband since October 2001 and together the couple have raised a son. They were married secretly in Jerusalem, while attending the Haifa International Film Festival.