Complex sentence: Her performance in the play at Theatre Krek was drawn to the attention of the screenwriter Ece Yörenç whilst he was searching a new actor for the TV series Kuzey Güney to play the character Cemre and she was chosen for it.
Split into simpler sentences: Her performance in a play at Theatre Krek was drawn to the attention of the screenwriter Ece Yörenç. At the time he was searching a new actor for the TV series Kuzey Güney to play the character Cemre and she was chosen for it.