Nihal Koldaş
Nihal Geyran Koldaş is a Turkish actress and theater director. She is known for her roles in "Masumiyet" as Yusuf's (Güven Kıraç) elder sister and in "Bıçak Sırtı" as Gönül. Together with Zeki Demirkubuz, she was one of the two producers of "Masumiyet". Early in her career, she worked mostly in theater. In 1997, she started working at Bilsak Theater Studios and got role in plays such as Heiner Müller's "Hamlet/Machine" and Shakespeare's "Hamlet". She later wrote and developed the play "Park Yapılmaz" together with Ceysu Koçak. In 1999, at the 11th International Istanbul  Theater Festival in Bilsak Theater Studios, she got a role in the play "Kurbağa Öyküleri". In 2003, she directed the play "Özel Bir Gün" at Tiyatro Diyez, in which Hale Soygazi has the main role. In 2004, together with Aylin Deveci and Gözde Saner, she brought the story "Mut" by Sevim Burak on stage and directed it as well. In 2005, she appeared in the play "Homebody/Kabul" by Tony Kushner, which tells the story of a western woman believed that the history needs to ask for forgiveness from the exploited east. In November 2007, she appeared in front of  the audience again with the play "Beckett Grimavi" at Bilsak Theater Studios & Maya Stage, which she had translated, designed and edited herself. She was later cast in Kanal D's TV series "Bıçak Sırtı" and continued to work at Bilsak Theater Studios & Maya Stage. In 2012, she had a leading role in the movie "Kuma", directed by Umut Dağ.